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Filed on behalf of Olaplex, Inc.
By: Matthew K. Blackburn
       DIAMOND McCARTHY LLP
       150 California St., Suite 2200
       San Francisco, CA 94111
       Tel: 415.692.5200
       Fax: 415.263.9200

    UNITED STATES PATENT AND TRADEMARK OFFICE

                         ________________
      BEFORE THE PATENT TRIAL AND APPEAL BOARD
                         ________________

                       L'ORÉAL USA, INC.,
                           Petitioner,

                                 v.

                         OLAPLEX, INC.,
                          Patent Owner.
                         ________________
                       Case PGR 2017-00012
                        Patent No. 9,498,419
                        ________________

       PATENT OWNER’S OPENING BRIEF ON REMAND
PGR 2017-00012
                                                                                         Patent No. 9,498,419

                                          TABLE OF CONTENTS

                                                                                                                Page

TABLE OF AUTHORITIES .................................................................................... ii
TABLE OF ABBREVIATIONS ............................................................................. iv
PATENT OWNER’S EXHIBIT LIST ......................................................................v
I.          THE FEDERAL CIRCUIT’S DECISION AND MANDATE .......................1
II.  GIVEN THE SUBSTANTIAL OBJECTIVE EVIDENCE AND WEAK
PRIMARY EVIDENCE, THE BOARD SHOULD FIND L'ORÉAL FAILED
TO SHOW THE ’419 CLAIMS ARE NOT PATENTABLE ...................................1
       A.        Objective Evidence Weighs Heavily in Favor of Non - Obviousness .......2
       B.        No Evidence Shows a POSA Would Have Been Motivated by Ogawa
                 or Kitabata Alone to Use Maleic Acid in a Bleaching Method ................4
       C.        At Best, Berkemer and KR’564 Are Weak Evidence of Motivation to
                 Select Maleic Acid for Use in a High-pH Bleaching Method ..................6
       D.        Objective Evidence Outweighs the Primary Evidence of Obviousness ...7
III.        CONCLUSION................................................................................................8

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                                                                                    Patent No. 9,498,419

                                   TABLE OF AUTHORITIES

                                                                                                      Page(s)

Cases
Adv. Display Sys., Inc. v. Kent State Univ.,
  212 F.3d 1272 (Fed. Cir. 2000)..............................................................................8
Applied Materials, Inc. v. Adv. Semiconductor Materials Am., Inc.,
  98 F.3d 1563 (Fed. Cir. 1996)................................................................................2
In re Jones,
   958 F.2d 347 (Fed. Cir. 1992)................................................................................5
Leo Pharm. Prods., Ltd. v. Rea,
  726 F.3d 1346 (Fed. Cir. 2013)..............................................................................4
Liqwd, Inc. v. L'Oréal USA, Inc.,
  941 F.3d 1133 (Fed. Cir. 2019)................................................................. 1, 3, 7, 8
Merck & Co. Inc. v. Biocraft Labs. Inc.,
 874 F.2d 804 (Fed. Cir. 1989)................................................................................5
Minn. Mining & Mfg. Co. v. Johnson & Johnson Orthopaedics, Inc.,
  976 F.2d 1559 (Fed. Cir. 1992)..............................................................................8
Specialty Composites v. Cabot Corp.,
  845 F.2d 981 (Fed. Cir. 1988)................................................................................3
Stephen Slesinger, Inc. v. Disney Enters., Inc.,
  702 F.3d 640 (Fed. Cir. 2012)................................................................................3
WBIP, LLC v. Kohler Co.,
 829 F.3d 1317 (Fed. Cir. 2016)..........................................................................2, 3

Other Authorities
Final Written Decision, L'Oréal USA, Inc. v. Liqwd, Inc., PGR2017-00012,
  Paper 102 (PTAB Jun. 27, 2018) ................................................................. passim
Institution Decision, L'Oréal USA, Inc. v. Liqwd, Inc., PGR2017-00012,
  Paper 17 (PTAB Jul. 19, 2017) ..............................................................................4

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                                                                                              Patent No. 9,498,419

                              TABLE OF AUTHORITIES (continued)

                                                                                                                  Page(s)

Liqwd Inc’s Patent Owner Response Under 37 C.F.R. §42.220, L'Oréal
  USA, Inc. v. Liqwd, Inc., PGR2017-00012, Paper 44 (PTAB Oct. 20,
  2017)...................................................................................................................3, 7
Non-Confidential Appellee L'Oréal USA, Inc’s Response Brief, Liqwd, Inc.
 v. L'Oréal USA, Inc., No. 18-2152, Doc. No. 38 (Fed. Cir. Nov. 14, 2018) .........3
Non-Confidential Reply Brief for Patent Owner-Appellant, Liqwd, Inc. v.
 L'Oréal USA, Inc., No. 18-2152, Doc. No. 41 (Fed. Cir. Nov. 28, 2018) .............3
Petition for Post-Grant Review of U.S. Patent 9,498,419, L'Oréal USA, Inc.
  v. Liqwd, Inc., PGR2017-00012, Paper 2 (PTAB Jan. 31, 2017) ..........................4
Transcript of Oral Hearing, L'Oréal USA, Inc. v. Liqwd, Inc., PGR2017-
  00012, Paper 98 (PTAB Apr. 11, 2018) ................................................................5

                                                            -iii-
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                                                              Patent No. 9,498,419

                        TABLE OF ABBREVIATIONS

’419 patent   Pressly et al. U.S. Patent No. 9,498,419 B2 (Ex. 1001)

              German Patent Application Publ. No. 1,220,969 (L'Oréal’s supplied
Berkemer
              translation at Ex. 1004)

Board         Patent Trial and Appeal Board

DTPA          Diethylenetriaminepentaacetic acid

EDTA          Ethylenediaminetetraacetic acid

              Final Written Decision in L'Oréal USA, Inc. v. Liqwd, Inc.,
FWD
              PGR2017-00012, Paper 102 (PTAB Jun. 27, 2018)

Kitabata      U.S. Patent Publ. No. 2002/0189034 (Ex. 1005)

              Korean Patent Application Publ. No. 10-2006-0059564 (L'Oréal’s
KR’564
              supplied partial translation at Ex. 1018)

L'Oréal       Petitioner L'Oréal USA, Inc.

Ogawa         U.S. Patent No. 7,044,986 (Ex. 1002)

Olaplex       Patent owner Olaplex, Inc. and/or former patent owner Liqwd, Inc.

              Post-Grant Review Petition in L'Oréal USA, Inc. v. Liqwd, Inc.,
Pet.
              PGR2017-00012, Paper 2 (PTAB Jan. 31, 2017)

POSA          Person of ordinary skill in the art

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PGR 2017-00012
                                                              Patent No. 9,498,419

                    PATENT OWNER’S EXHIBIT LIST

Exhibit   Description
2001      Listing of claims 1 – 8 and 10 of U.S. Patent No. 9,498,419
          Complaint filed January 5, 2017, in Liqwd, Inc. et al. v. L'Oréal USA,
2002
          Inc., et al., Case No. 1:17 - cv - 00014 - SLR (D. Del.)
          Plaintiffs’ Opening Brief in Support of Motion for Preliminary
          Injunction, Redacted - Public version, filed January 18, 2017, in Liqwd,
2003
          Inc. et al. v. L'Oréal USA, Inc., et al., Case No. 1:17 - cv - 0014 - SLR
          (D. Del.)
          August 25, 2016 Third Party Submission regarding Singleton U.S.
2004      Patent No. 5,221,286 and Berkemer German Laid - Open Application
          DE 1 220 969
          August 29, 2016 Third Party Submission regarding Ogawa U.S. Patent
2005
          No. 7,044,986
          September 14, 2016 Third Party Submission regarding Singleton U.S.
2006      Patent No. 5,221,286, Kitabata U.S. Patent Publ. No. 2002/0189034,
          and Berkemer German Laid - Open Application DE 1 220 969
          September 23, 2016 Third Party Submission regarding Wahler PCT
2007
          Publication No. WO2014/207097
2008      October 13, 2016 Supplemental Notice of Allowance
          Complaint filed November 22, 2016, in Liqwd, Inc. et al. v. L'Oréal
2009
          USA, Inc., et al., Case No. 2:16 - cv - 08708 (C.D. Cal.)
          CONFIDENTIAL — Patent Owner’s Discovery Requests to Petitioner,
2010
          dated August 29, 2017
          Delaware District Court’s Order in Liqwd, Inc. et al. v. L'Oréal USA,
2011      Inc., 17 - 14 - SLR (D. Del.), dated July 6, 2017, which denied Patent
          Owner’s Request for a Preliminary Injunction
2012      CONFIDENTIAL — E - mail Communication
2013      Petitioner’s Advertisements mentioning maleic acid in their products

                                       -v-
PGR 2017-00012
                                                               Patent No. 9,498,419

              PATENT OWNER’S EXHIBIT LIST (continued)

Exhibit   Description
          Delaware District Court’s Order in Liqwd, Inc. et al. v. L'Oréal USA,
2014      Inc., 17 - 14 - SLR (D. Del.), dated February 13, 2017, which set briefing
          and discovery schedule for Preliminary Injunction motion
          Patent Owner’s 1st Amended Rule 30(b)(6) Deposition Notice in
2015      Liqwd, Inc. et al. v. L'Oréal USA, Inc., 17 - 14 - SLR (D. Del.), dated
          May 2, 2017
          E - mail string between counsel regarding Patent Owner’s Request for
2016
          Additional Discovery
          CONFIDENTIAL/REDACTED Version of Patent Owner’s Motion
2017
          for Additional Discovery (un - redacted is Paper 27)
          CONFIDENTIAL/REDACTED Version of Patent Owner’s
2018
          Discovery Requests to Petitioner (un - redacted is Exhibit 2010)
          REDACTED version of Paper 37 Order re Conduct of Proceedings,
2019
          dated Sept. 27, 2017
2020      REDACTED version of Ex 3001 Email String re Routine Discovery
2021      Declaration of Thomas Dispenza
2022      CONFIDENTIAL — Declaration of Eric Pressly, Ph.D.
2023      CONFIDENTIAL — Declaration of Dean Christal
2024      Copy of U.S. Patent Appl. Ser. No. 14/713,885, filed May 15, 2015
2025      CONFIDENTIAL — Declaration of Edward T. Borish, Ph.D.
2026      Curriculum Vitae Of Edward T. Borish, Ph.D.
          Brown, K. C., Chapter 7 “Hair Coloring” in HAIR AND HAIR CARE
2027
          (Dale H. Johnson, ed., 1997)

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                                                           Patent No. 9,498,419

              PATENT OWNER’S EXHIBIT LIST (continued)

Exhibit   Description
          FMC Webinar, “The Science of Persulfate Activation” (April 24,
          2013), available at
2028      http://www.peroxychem.com/media/24107/FMC_The_Science_of_Pers
          ulfate_Activation_webinar - 4 - 24 - 13_Final.pdf (last visited
          10/16/2017)
          Bolduc, C. et al., “Hair Care Products: Waving, Straightening,
2029      Conditioning, and Coloring,” Clinics in Dermatology 19:431 – 436
          (2001)
          Chp. 6: Interactions of Shampoos and Creme Rinses from ROBBINS,
2030
          C.R., Chemical & Physical Behavior of Human Hair (5th Ed. 2012)
2031      Label for Redken Curvaceous conditioner
2032      Label for Matrix Biolage Advanced shampoo
2033      Label for Pureology (a L'Oréal brand) Strength Cure conditioner
2034      Vertellus Safety Data Sheet for Maleic Acid (2011)
2035      Matrix Bond Ultim8 Bottle Instructions and Ingredient List
2036      Matrix Bond Ultim8 Package Instructions
2037      Analyze, Inc. Report regarding Maleic Acid Concentrations
2038      CONFIDENTIAL — L'Oréal Testing Document (PX100)
2039      CONFIDENTIAL — L'Oréal Testing Document (PX108)
          CONFIDENTIAL — Rule 30b6 Deposition testimony of Kimberly
2040
          Dreher, May 22, 2017
2041      Redken pH - BONDER Instructions and Ingredient List
2042      Redken pH - BONDER Package Instructions
2043      L'Oréal Professionnel Smartbond Instructions and Ingredient List
2044      L'Oréal Professionnel Smartbond Package Instructions

                                     -vii-
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                                                            Patent No. 9,498,419

              PATENT OWNER’S EXHIBIT LIST (continued)

Exhibit   Description
          Chp. 5: Bleaching and Oxidation of Human Hair from ROBBINS, C.R.,
2045
          Chemical & Physical Behavior of Human Hair (5th Ed. 2012)
2046      Deposition transcript of Arun Nandagiri, dated October 6, 2017
          REDACTED Version of Ex. 2022 (Eric Pressly Declaration, dated
2047
          October 19, 2017)
          REDACTED Version of Ex. 2023 (Dean Christal Declaration, dated
2048
          October 18, 2017)
          REDACTED Version of Ex. 2025 (Edward Borish Declaration, dated
2049
          October 20, 2017)
          REDACTED Version of Paper 44 (Liqwd Patent Owner Response,
2050
          dated October 20, 2017)
2051      Printout of website http://Brialab.com (dated February 28, 2018)
          H.N. Po et al., “The Henderson - Hasselbalch Equation: Its History and
2052
          Limitation,” J. of Chem. Educ., 78 (11):1499 - 1503 (2001)
2053      Deposition transcript of David Sherman, dated October 12, 2017
2054      Deposition transcript of Jina Bang, dated October 11, 2017
2055      Deposition transcript of Arun Nandagiri, dated March 2, 2018
          CONFIDENTIAL — Deposition transcript of Melanie Crim, dated
2056
          March 6, 2018
2057      Deposition transcript of Arun Nandagiri, dated March 14, 2018
          Signature page and errata of Thomas Dispenza for December 27, 2017
2058
          deposition transcript
          Signature page and errata of Edward Borish, Ph.D. for January 5, 2018
2059
          deposition transcript

                                     -viii-
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                                                          Patent No. 9,498,419

             PATENT OWNER’S EXHIBIT LIST (continued)

Exhibit   Description
          REDACTED Version of Paper 70 (Patent Owner’s Observations on
2060      Cross - Examination of Petitioner’s Reply Witnesses Nandagiri and
          Crim)
          REDACTED Version of Paper 72 (Patent Owner’s Motion to Exclude
2061
          Petitioner’s Inadmissible Evidence)
          Patent Owner’s Submission of Supplemental Evidence Under 37 C.F.R.
2062
          § 42.64(b)(2), served November 13, 2017
          Blackburn Declaration Regarding Exhibits 2028, 2031 – 2037, and
2063
          2041 – 2044, served November 13, 2017
2064      Redken pH - BONDER Package Instructions
          REDACTED Version of Paper 77 (Corrected Patent Owner’s Motion
2065      for Observations on Cross - Examination of Petitioner’s Reply
          Witnesses Nandagiri and Crim)
          REDACTED Version of Paper 85 (Patent Owner’s Reply in Support of
2066      its Motion to Exclude Petitioner’s Evidence Pursuant to 37 C.F.R.
          § 42.64(c))

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                                                                Patent No. 9,498,419

      Olaplex submits this brief pursuant to the Board’s Order (Paper 108). When

the obviousness question is analyzed anew under the Federal Circuit’s mandate

(which directed consideration of L'Oréal’s copying from Olaplex rather than

developing independently L'Oréal’s own process using information from the prior

art), this Board should find that claims 1 – 8 and 10 of the ’419 patent are not

obvious. To conclude otherwise in the face of this powerful evidence would give in

to improper hindsight and ex post reasoning.

I.    THE FEDERAL CIRCUIT’S DECISION AND MANDATE
      The Federal Circuit affirmed the Board’s prior factual finding that L'Oréal

deliberately copied Olaplex’s patented method of using maleic acid during hair

bleaching by requesting and obtaining access to Olaplex’s non-public information

and copying it, rather than because of L'Oréal’s independent development. Liqwd,

Inc. v. L'Oréal USA, Inc., 941 F.3d 1133, 1138 – 39 (Fed. Cir. 2019) (citing FWD

at 29 – 30). The Federal Circuit held that the Board erred when it deemed the

copying finding legally irrelevant, and therefore vacated the Board’s prior decision

and remanded the case back to the Board with instructions to consider and give

appropriate weight to L'Oréal’s copying. Id. at 1139.

II.   GIVEN THE SUBSTANTIAL OBJECTIVE EVIDENCE AND WEAK
      PRIMARY EVIDENCE, THE BOARD SHOULD FIND L'ORÉAL
      FAILED TO SHOW THE ’419 CLAIMS ARE NOT PATENTABLE

      Evidence of all Graham factors must be weighed de novo to assess if the

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invention as a whole was obvious. Applied Materials, Inc. v. Adv. Semiconductor

Materials Am., Inc., 98 F.3d 1563, 1570 (Fed. Cir. 1996). Objective indicia play an

especially important role and “guard against the statutorily proscribed hindsight

reasoning.” WBIP, LLC v. Kohler Co., 829 F.3d 1317, 1328 (Fed. Cir. 2016).

       The primary evidence (the first three Graham factors) is, at best for L'Oréal,

scanty.1 The Board previously found all elements of claim 1 were disclosed in

Ogawa or Kitabata, but only when maleic acid is selected for use in the disclosed

methods. FWD at 13, 33. The Board said “the most important issue is whether

Berkemer and KR’564 would have provided a [POSA] with an additional reason to

choose maleic acid” from the large chemical lists of Ogawa and Kitabata. Id. at 39.

Little in the prior art suggests selecting maleic acid. Such evidence might arguably

support an obviousness finding but only when the prior art is considered in

isolation. Now that the finding that L'Oréal copied must be considered, and since

such objective evidence is the most powerful sort of evidence, the Board should

find that L'Oréal has not met its burden to show the challenged claims are obvious.

    A. OBJECTIVE EVIDENCE WEIGHS HEAVILY IN FAVOR OF NON - OBVIOUSNESS
       The objective evidence strongly favors patentability. First and most

1
    Olaplex reserves the right to argue on appeal that even the prior art alone cannot

support a finding of obviousness.

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                                                                 Patent No. 9,498,419

importantly, the Board found and the Circuit affirmed that “L’Oréal copied

[Olaplex]’s patented method of using maleic acid.” Liqwd, 941 F.3d at 1139. The

Board did not find insufficient nexus between L'Oréal’s copying and the

’419 patent. The copied unpublished patent application (Ex. 2024) discloses the

specifically claimed process. See WBIP, 829 F.3d at 1329 (nexus presumed if

“objective evidence is tied to a specific [process] and that [process] ‘is the

invention disclosed and claimed.’”); see also Paper 44 at 96 (collecting evidence).

      In the appeal, L’Oréal again advanced a lack-of-nexus argument, which

Olaplex contested. Liqwd, Inc. v. L'Oréal USA, Inc., No. 18-2152, Doc. Nos. 38 (at

53) and 41 (at 13). The Federal Circuit’s decision acknowledged nexus is required

and the remand instructions do not mention it, thus implicitly and necessarily

agreeing with Olaplex that nexus exists and rejecting L'Oréal’s contrary argument.

See Liqwd, 941 F.3d at 1138 – 39; see Stephen Slesinger, Inc. v. Disney Enters.,

Inc., 702 F.3d 640, 645 (Fed. Cir. 2012) (implicit determination given issue-

preclusive effect). Therefore, L'Oréal’s deliberate choice to copy Olaplex’s non-

public technology strongly favors non-obviousness. See Specialty Composites v.

Cabot Corp., 845 F.2d 981, 985 (Fed. Cir. 1988) (“evidence that [patent

challenger] closely copied the invention” was “indicative of unobviousness”)

(internal quotation marks omitted); WBIP, 829 F.3d at 1336 (“The fact that a

competitor copied technology suggests it would not have been obvious.”)

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                                                               Patent No. 9,498,419

      Second, there was a multi-decade delay between when L'Oréal says a POSA

allegedly was motivated to use maleic acid in hair bleaching (1966) and when that

actually happened (2014). More than a decade passed between Ogawa’s and

Kitabata’s publications and the’419 ancestral application filing. Yet no one, other

than the ’419 patent inventors, thought to add maleic acid into a high-pH bleaching

method to address bleach damage. This powerfully demonstrates that a POSA was

not actually motivated to select maleic acid. See Paper 17 at 18, 26 (delay between

Berkemer publication and Ogawa/Kitabata publication “creates a genuine dispute

of material fact” whether a POSA had reason to combine references); Leo Pharm.

Prods., Ltd. v. Rea, 726 F.3d 1346, 1359 (Fed. Cir. 2013) (two-year delay between

prior art and patent filing persuasive evidence of non-obviousness).

   B. NO EVIDENCE SHOWS A POSA WOULD HAVE BEEN MOTIVATED BY OGAWA
      OR KITABATA ALONE TO USE MALEIC ACID IN A BLEACHING METHOD

      L'Oréal’s Petition relies on both Berkemer and KR’564 to allegedly suggest

changing Ogawa’s Example 3 by replacing two chelating agents (EDTA and

ascorbic acid) with equal weights of maleic acid or to select maleic acid as

Kitabata’s pH adjuster. Pet., 50 – 54, 74 – 75. The FWD changes tack and says

Ogawa or Kitabata by itself “provides a reason to use maleic acid in its bleaching

treatment.” FWD at 14, 32, 34. However, the Board acknowledged evidence that

(1) at high pH (as used during bleaching) charges on hair fibers would repel maleic

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                                                                 Patent No. 9,498,419

acid and (2) “maleic acid itself is a skin sensitizer and can cause allergic reactions”

and (3) “mixing maleic acid with oxidizers can be dangerous.” FWD at 22 – 23, 33.

This would have dissuaded a POSA from selecting maleic acid for use in high-pH

hair bleaching. Also, no witness testified that a POSA would have found in Ogawa

or Kitabata a reason to select maleic acid for use in hair bleaching methods.

      Merck & Co. Inc. v. Biocraft Labs. Inc., 874 F.2d 804, 807 (Fed. Cir.

1989) (cited in the FWD at 20) is inapposite because the chemical lists in Ogawa

and Kitabata are quite broad. See In re Jones, 958 F.2d 347, 350 (Fed. Cir.

1992) (“declin[ing] to extract from Merck the rule that … regardless of how broad,

a disclosure of a chemical genus renders obvious any species that happens to fall

within it”). Ogawa says the chelating agent is not limited, illustrates maleic acid as

one of ten chelating agent acids “and their salts” (greatly increasing the potential

candidates), and it is not preferred. Ex. 1002, 2:1 – 14, 2:64 – 3:3; see also FWD at

9; Ex. 2025, ¶95; Paper 98 at Tr. 11:15 – 12:2. Ogawa’s Example 3 uses multiple

chelators (EDTA and ascorbic acid) further adding to potential chelator candidates,

leaving a POSA to choose from “a potentially very large set” of chelators.

Ex. 2025, ¶95. Ogawa’s claim 8 mentions maleic acid, but in a “method of dyeing

hair” (not in hair bleaching). Ex. 1002, 8:34 – 39. Kitabata mentions maleic acid as

one of a large number of “polycarboxylic acid and their salts” pH-adjusters.

Ex. 1005, ¶¶35, 39; Ex. 2046, Tr. 108:20 – 111:24; Ex. 2025, ¶100. Neither

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                                                               Patent No. 9,498,419

reference identifies any benefit if maleic acid were added to hair bleach.

      Further, contrary to L'Oréal’s EDTA-replacement theory, a POSA would

have understood that Ogawa’s technology requires EDTA as the chelator.

Specifically, Ogawa’s example 1 and comparative example 1 differ only in that the

latter omits EDTA (but has another chelator) and gives poor results. Ex. 1002,

5:47 – 6:17; Ex. 1026, Tr. 158:12 – 160:10; Ex. 2046, Tr. 76:19 – 77:21. If EDTA

was unavailable for use with Ogawa, a POSA would have tried DTPA and if that

did not work, would have stopped. Ex. 1026, Tr. 163:12 – 164:16. Thus, Ogawa

itself actually shows why L'Oréal’s proposed change would not have been made.

   C. AT BEST, BERKEMER AND KR’564 ARE WEAK EVIDENCE OF MOTIVATION TO
      SELECT MALEIC ACID FOR USE IN A HIGH-PH BLEACHING METHOD

      The Board acknowledged “a similar weight of evidence” supports

Berkemer’s benefits being limited to low pH, but said a POSA “would have

been … led to adjust the pH of the bleaching process to achieve the desired

results.” FWD at 22; see also Ex. 1004, 2:30 – 37 (maleic acid counteracts

oxidation necessary for bleaching by reacting with peroxides); and Ex. 2046 at

Tr. 106:14 – 107:17 (POSA would not know if maleic acid would remain in

Ogawa’s mixture when applied to the hair). Berkemer uses maleic acid only at low

pH. Ex. 1004, 3:11 – 12 (pH 1.9 – 4); see also Ex. 1018-3 (KR’564 uses mild acid

at pH 4 – 5). If a POSA had increased the pH in order to bleach hair, no evidence

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                                                                Patent No. 9,498,419

shows a POSA would have expected the same benefit to occur at high pH while

bleaching hair. This reduces or removes the reason to select maleic acid.

      KR’564 says any mild organic acid neutralizes alkali in hair and expresses

no preference for maleic acid. Paper 44 at 30 (citing Ex. 2025, ¶167 and Ex. 2046,

Tr. 223:10 – 22); Ex. 1018-1, -2. It cannot motivate the selection of maleic acid.

      Thus, evidence on the first three Graham factors is meager.

   D. OBJECTIVE EVIDENCE OUTWEIGHS THE PRIMARY EVIDENCE OF OBVIOUSNESS
      Given that L'Oréal bears the burden of persuasion, that the prior art by itself

was a close call, and that the copying finding must be considered, the Board should

now find that the ’419 patent claims are not obvious. Other than improper

hindsight, there was no reason to use maleic acid in hair bleaching, which explains

the 48-year gap between the ’419 patent priority date and Berkemer’s publication.

      A remand to the Board was necessary here because of the weak primary

evidence of obviousness, in particular regarding the selection of maleic acid (see

Sections II.B – C, above) and the strong objective evidence of copying, which

makes a difference and demonstrates patentability. See Liqwd, 941 F.3d at 1139

(remanding to “the Board for further analysis,” with instruction to weigh copying

finding appropriately).

      Such copying evidence is “compelling” when (1) the “[copied] device was

virtually an identical replica of the claimed invention” and (2) the infringer copied

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                                                                Patent No. 9,498,419

the patentee’s formula and disassembled a prototype, and “merits even greater

weight” when the copier failed to develop independently the claimed invention.

Adv. Display Sys., Inc. v. Kent State Univ., 212 F.3d 1272, 1285 – 86 (Fed. Cir.

2000); Minn. Mining & Mfg. Co. v. Johnson & Johnson Orthopaedics, Inc., 976

F.2d 1559, 1574 – 75 (Fed. Cir. 1992) (competitors’ failure to develop the patented

invention suggested nonobviousness). Similarly, here, the Board found L'Oréal

selected maleic acid as the key ingredient in three different hair bleach additive

products because it copied Olaplex’s non-public information, rather than because

of L’Oréal’s independent development. Liqwd, 941 F.3d at 1138 – 39 (citing FWD

at 29 – 30).

III.   CONCLUSION
       The Board should confirm claims 1 – 8 and 10 of the ’419 patent are

patentable.

Dated: February 13, 2020                Respectfully Submitted,
                                  By:             /Matthew K. Blackburn/
                                        Matthew K. Blackburn (Reg. No. 47,428)
                                        DIAMOND McCARTHY LLP
                                        150 California Street, Suite 2200
                                        San Francisco, CA 94111
                                        Tel: 415.692.5202
                                        Rivka D. Monheit (Reg. No. 48,731)
                                        PABST PATENT GROUP LLP
                                        1545 Peachtree St. NE, Suite 320
                                        Atlanta, GA 30309
                                        Tel: 404.879.2152
                                        Attorneys for Patent Owner Olaplex, Inc.

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                                                              Patent No. 9,498,419

                           CERTIFICATE OF SERVICE

      I certify that the foregoing PATENT OWNER’S OPENING BRIEF ON

REMAND is being filed via PTAB E2E, and was served by e - mail on February

13, 2020 in its entirety on the following:

             Michelle E. O’Brien
             Timothy J. Murphy
             THE MARBURY LAW GROUP, PLLC
             11800 Sunrise Valley Drive, 15th Floor
             Reston, VA 20191
             Tel: (703) 391 - 2900
             Fax: (703) 391 - 2901
             Email: mobrien@marburylaw.com
             Email: tjmurphy@marburylaw.com
             Email: pat - docketing@marburylaw.com
             Attorneys for Petitioner L'Oréal USA, Inc.

Dated: February 13, 2020                                  /Matthew K. Blackburn/
                                                           Matthew K. Blackburn
                                                            (Reg. No. 47,428)
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