`571-272-7822
`
`Paper 7
`Date: July 31, 2020
`
`UNITED STATES PATENT AND TRADEMARK OFFICE
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`GLAXOSMITHKLINE
`CONSUMER HEALTHCARE HOLDINGS (US) LLC,
`Petitioner,
`v.
`CIPLA LTD.,
`Patent Owner.
`
`IPR2020-00369
`Patent 8,168,620 B2
`
`
`
`
`
`
`
`
`
`Before JO-ANNE M. KOKOSKI, ZHENYU YANG, and
`CHRISTOPHER M. KAISER, Administrative Patent Judges.
`KOKOSKI, Administrative Patent Judge.
`
`DECISION
`Denying Institution of Inter Partes Review
`35 U.S.C. § 325(d)
`
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`IPR2020-00369
`Patent 8,168,620 B2
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`I. INTRODUCTION
`GlaxoSmithKline Consumer Healthcare Holdings (US) LLC
`(“Petitioner”) filed a Petition to institute an inter partes review of claims 1–
`18, 21, 22, 24–26, 28, 29, 31, 33, and 35–48 (“the challenged claims”) of
`U.S. Patent No. 8,168,620 B2 (“the ’620 patent,” Ex. 1001). Paper 1
`(“Pet.”). Cipla Ltd. (“Patent Owner”) filed a Preliminary Response. Paper 6
`(“Prelim. Resp.”).
`We have authority, acting on the designation of the Director, to
`determine whether to institute an inter partes review under 35 U.S.C. § 314
`and 37 C.F.R. § 42.4(a). For the reasons that follow, we exercise our
`discretion under 35 U.S.C. § 325(d) and deny institution of inter partes
`review.
`A. Related Proceedings
`Petitioner identifies the following district court proceedings involving
`the ’620 patent: Meda Pharmaceuticals Inc. v. Teva Pharmaceuticals USA,
`Inc., No. 1:15-cv-00785-LPS (D. Del.) (dismissed on July 28, 2017); Meda
`Pharmaceuticals Inc. v. Perrigo UK FINCO Ltd., No. 1:16-cv-00794-LPS
`(D. Del.) (dismissed on July 7, 2017); and Meda Pharmaceuticals, Inc. v.
`Apotex Inc., No. 1:14-cv-01453-LPS (D. Del.) (dismissed on May 17, 2017).
`Pet. 62; Paper 5, 1.
`The parties also identify as related Argentum Pharmaceuticals LLC v.
`Cipla Ltd., IPR2017-00807 (PTAB) (“the Argentum IPR”), an instituted
`proceeding challenging the ’620 patent that the Board terminated prior to
`issuing a final written decision. Pet. 62; Paper 5, 1.
`Petitioner concurrently filed three other petitions, challenging patents
`related to the ’620 patent: IPR2020-00368 (challenging U.S. Patent
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`2
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`IPR2020-00369
`Patent 8,168,620 B2
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`No. 8,163,723 B2 (Ex. 1002)); IPR2020-00370 (challenging U.S. Patent
`No. 9,259,428 B2 (Ex. 1003)), and IPR2020-00371 (challenging U.S. Patent
`No. 9,901,585 B2 (“the ’585 patent,” Ex. 1004)). Paper 5, 1–2.
`B. The ’620 Patent
`The ’620 patent is titled “Combination of Azelastine and Steroids.”
`Ex. 1001, code (54). The ’620 patent relates to pharmaceutical formulations
`comprising azelastine and a steroid, preferably a corticosteroid such as
`fluticasone. Id. at 1:54–60, 2:18–25. The Specification explains that it is
`known to use antihistamines, e.g., azelastine hydrochloride, in nasal sprays
`to treat allergy-related conditions. Id. at 1:20–25. The Specification
`explains that it is also known to treat allergy-related conditions with a
`corticosteroid to suppress nasal inflammatory conditions. Id. at 1:26–33.
`According to the Specification, “[i]t would be highly desirable, however, to
`provide a treatment that combines the effects of anti-histamine treatments
`and steroid treatments, in a pharmaceutically acceptable formulation, which
`is tolerated in situ, without significantly disrupting the potency of the
`constituent pharmaceuticals.” Id. at 1:34–38.
`The Specification states that the applicants “found that, very
`surprisingly, azelastine . . . can advantageously be combined with a
`steroid . . . to provide a stable, very effective combination product.” Id. at
`1:39–48. “The combination can provide, in a single administration or dosing
`regime[n], the antihistaminic properties of azelastine and the anti-
`inflammatory (and/or other) properties of the steroid, without any significant
`interference between the two, or adverse reaction in situ.” Id. at 1:48–53.
`The Specification discloses that the formulation may be in the form of
`a nasal spray, and that “[t]he formulations preferably contain a preservative
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`and/or stabilizer.” Id. at 2:18–25, 2:31–50. The formulations also may
`include, for example, surfactants, isotonization agents, and thickening
`agents. See id. at 3:21–24, 3:36–39, 5:20–30.
`C. Representative Claim
`Petitioner challenges claims 1–18, 21, 22, 24–26, 28, 29, 31, 33, and
`35–48 of the ’620 patent, of which claims 1, 21, 24, 25, 47, and 48 are
`independent. Pet. 1. Claim 1 is representative of the claimed subject matter,
`and is reproduced below.
`1. A pharmaceutical formulation comprising:
`azelastine, or a pharmaceutically acceptable salt thereof, and
`a pharmaceutically acceptable ester of fluticasone,
`wherein said pharmaceutical dosage formulation is in a dosage
`form suitable for nasal administration.
`Ex. 1001, 11:46–51.
`D. The Asserted Grounds of Unpatentability
`Petitioner asserts the challenged claims are unpatentable on the
`following grounds.
`Claim(s) Challenged
`1–18, 21, 22, 24–26,
`28, 29, 31, 33, 35–47
`48
`1–18, 21, 22, 24–26,
`28, 29, 31, 33, 35–48
`
`
`
`35 U.S.C. §
`103(a)
`103(a)
`103(a)
`
`References
`PDR 1999,1 Segal2
`PDR 1999, Segal, Hettche3
`Cramer,4 PDR 1999
`
`
`1 Physicians’ Desk Reference (53rd ed. 1999) (Ex. 1010).
`2 WO 98/48839 A1, published Nov. 5, 1998 (Ex. 1012).
`3 U.S. Patent No. 5,164,194, issued Nov. 17, 1992 (Ex. 1013).
`4 EP 0 780 127 A1, published June 25, 1998 (Ex. 1011).
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`4
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`In support of its patentability challenge, Petitioner relies on the
`Declarations of Maureen D. Donovan, Ph.D. (Ex. 1057), and Robert P.
`Schleimer, Ph.D. (Ex. 1061).
`
`II. ANALYSIS
`Institution of inter partes review is discretionary. See 35 U.S.C.
`§ 314(a); 37 C.F.R. § 42.108; see also Harmonic Inc. v. Avid Tech, Inc., 815
`F.3d 1356, 1367 (Fed. Cir. 2016) (“the PTO is permitted, but never
`compelled, to institute an IPR proceeding”). Our discretion as to whether to
`institute is guided by 35 U.S.C. § 325(d), which states that “the Director may
`take into account whether, and reject the petition or request because, the
`same or substantially the same prior art or arguments previously were
`presented to the Office.” Patent Owner contends that Petitioner’s challenges
`rely on the same or substantially the same prior art and arguments that were
`already considered during the prosecution of the ’620 patent, and that
`Petitioner fails to identify a material error in the Office’s analysis. Prelim.
`Resp. 21–29.
`When evaluating whether the same or substantially the same prior art
`or arguments previously were presented to the Office under § 325(d), the
`Board uses a two-part framework in determining whether to exercise its
`discretion under § 325(d), specifically:
`(1) whether the same or substantially the same art previously was
`presented to the Office or whether the same or substantially the
`same arguments previously were presented to the Office; and
`(2) if either condition of the first part of the framework is
`satisfied, whether the petitioner has demonstrated that the Office
`erred in a manner material to the patentability of challenged
`claims.
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`IPR2020-00369
`Patent 8,168,620 B2
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`Advanced Bionics, LLC v. Med-El Elektromedizinische Geräte GmbH,
`IPR2019-01469, Paper 6, 8 (PTAB Feb. 13, 2020) (precedential).
`In applying this two-part framework, we consider several non-
`exclusive factors, including: (a) the similarities and material differences
`between the asserted art and the prior art involved during examination;
`(b) the cumulative nature of the asserted art and the prior art evaluated
`during examination; (c) the extent to which the asserted art was evaluated
`during examination, including whether the prior art was the basis for
`rejection; (d) the extent of the overlap between the arguments made during
`examination and the manner in which Petitioner relies on the prior art or
`Patent Owner distinguishes the prior art; (e) whether Petitioner has pointed
`out sufficiently how the Examiner erred in its evaluation of the asserted prior
`art; and (f) the extent to which additional evidence and facts presented in the
`Petition warrant reconsideration of the prior art or arguments. Becton,
`Dickinson & Co. v. B. Braun Melsungen AG, IPR2017-01586, Paper 8, 17–
`18 (PTAB Dec. 15, 2017) (precedential as to § III.C.5, first paragraph).
`If, after review of factors (a), (b), and (d), we determine that the same
`or substantially the same art or arguments were previously presented to the
`Office, then factors (c), (e), and (f) relate to whether the petitioner
`demonstrates that the Office erred in a manner material to the patentability
`of the challenged claims. Advanced Bionics, Paper 6 at 10. “At bottom, this
`framework reflects a commitment to defer to previous Office evaluations of
`the evidence or record unless material error is shown.” Id. at 9.
`After considering all of the relevant factors and the parties’
`arguments, we are persuaded, for the reasons set forth below, that the
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`Petition presents substantially the same arguments previously presented to
`the Office.
`A. Relevant Prosecution History
`The ’620 patent issued from Application No. 10,518,016, filed as
`application No. PCT/GB03/02557 on June 13, 2003. Ex. 1001, codes (21),
`(22), (86). During the prosecution of the ’620 patent, the Examiner rejected
`the claims as anticipated by Cramer or as having been obvious over Cramer
`combined with other references. See Ex. 2001, 497–512, 603–622, 721–
`742.5 For example, the Examiner found that Cramer discloses a nasal spray
`composition containing azelastine and fluticasone that also includes the
`claimed excipients. See, e.g., id. at 606–608 (citing, inter alia, Cramer’s
`Example III). In addition, Segal and Hettche were identified in Information
`Disclosure Statements filed by the applicants, and the Examiner identified
`both having been considered. Id. at 637, 786.
`In response, the applicant filed three declarations from inventor
`Ms. Geena Malhotra as evidence supporting unexpected stability of the
`claimed formulation and the inoperability of Cramer’s Example III. See id.
`at 336–339, 568–570, 698–700. After a non-final rejection of the claims as
`anticipated by Cramer, the applicant amended the claims and filed additional
`declarations from Mr. Nikhil Chopra, Joachim Maus, M.D., and Sujeet
`Rajan, M.D. See id. at 254–283, 328–334, 358–364, 458–462. The
`additional declarations supported the applicant’s assertions of commercial
`success, unexpected results, and long-felt need. See id.
`Following the response, the Examiner allowed the claims. See
`Ex. 2001, 192–199. In the Reasons for Allowability, the Examiner
`
`
`5 We cite to the page numbers that Patent Owner added to Exhibit 2001.
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`discussed in detail the Chopra, Maus, and Rajan declarations supporting
`objective evidence of non-obviousness. See id. at 195–198. The Examiner
`found “the Chopra Declaration supports that the product of the invention has
`been a commercial success for both the inventors and the copiers . . . [and]
`that the product of the invention has filled a long-felt, but unmet need for an
`improved treatment for allergic rhinitis.” Id. at 196. The Examiner found
`Dr. Rajan’s declaration “also supports that the invention fills a long unmet
`need.” Id. The Examiner further found that “Dr. Maus concludes that the
`superior results obtained with the combination of nasal fluticasone
`propionate and azelastine HCl would have been unexpected at the time of
`filing of the application. On the basis of this information and declaration,
`the examiner concurs in this conclusion.” Id. at 197 (internal citation
`omitted). Accordingly, the Examiner concluded “the invention [of the ’620
`patent] is unexpectedly and surprisingly unobvious over, different from, and
`superior to the prior art of record.” Id. at 198.
`B. Same or Substantially the Same Prior Art or Arguments
`We first consider whether Petitioner asserts the same or substantially
`the same prior art or arguments that previously were presented to the Office.
`Advanced Bionics, Paper 6 at 8. We conclude that Petitioner asserts not only
`substantially the same prior art, but also substantially the same arguments
`that previously were presented to the Office.6 Petitioner asserts Cramer,
`
`
`6 Under Advanced Bionics, either the same or substantially the same prior art
`previously must have been presented to the Office or the same or
`substantially the same arguments previously must have been presented to the
`Office to reach the second part of the framework, i.e., a showing of error
`material to patentability. Advanced Bionics, Paper 6 at 8. Here, however,
`both conditions of the first part of the framework are satisfied. Thus, we
`discuss both.
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`Segal, PDR 1999, and Hettche against the challenged claims of the ’620
`patent. Petitioner admits that the Examiner cited Cramer during prosecution
`of the ’620 patent. Pet. 63–64. Specifically, the Examiner relied on Cramer,
`both alone and in combination with other references, to reject pending
`claims in three Office Actions. Ex. 2001, 497–512, 603–622, 721–742.
`Thus, Cramer previously was presented to the Office.
`Further, as explained above, the Examiner rejected the claims after
`finding that Cramer teaches nasal spray compositions comprising azelastine
`and fluticasone in the recited amounts, and suggests pharmaceutically
`acceptable salt forms, including hydrochloride and propionate. See, e.g.,
`Ex. 2001, 606–608. The Examiner also found that Cramer’s composition
`may contain certain excipients, such as those recited in the claims. Id. at
`606–607 (citing, inter alia, Cramer’s Example III). Petitioner relies on the
`same teachings. For example, Petitioner asserts that Cramer discloses nasal
`spray formulations comprising fluticasone and azelastine or
`pharmaceutically acceptable salt forms of each. Pet. 29–30. Petitioner also
`asserts that Cramer’s formulations may contain other ingredients, i.e.,
`excipients, such as emulsifiers, pH adjusters, buffering agents, preservatives,
`wetting agents, and jelling agents. Id. at 51–57. Additionally, Petitioner,
`like the Examiner, relies on Cramer’s Example III. Id. at 29–30. Thus,
`Petitioner makes the same arguments the Office previously considered
`regarding Cramer.
`Although Petitioner does not address whether Segal, PDR 1999, and
`Hettche were presented to the Office during the ’620 patent’s prosecution,
`we find that Segal and Hettche were previously presented to the Office and
`that PDR 1999 is cumulative of references the Examiner considered during
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`prosecution. Starting with Segal and Hettche, the applicant listed them on
`Information Disclosure Statements that the Examiner considered.
`Ex. 2001, 637, 786; see Advanced Bionics, Paper 6 at 7–8 (explaining that
`previously presented art includes “art made of record by the Examiner, and
`art provided to the Office by an applicant, such as on an Information
`Disclosure Statement (IDS), in the prosecution history of the challenged
`patent”).
`Segal and Hettche were asserted against the ’620 patent claims in the
`Argentum IPR petition. The Examiner, in allowing the claims of the ’585
`patent (a later-issued patent related to the ’620 patent), stated that “all the
`references cited by the Argentum Petition are of record and have been
`previously evaluated, or disclose information redundant to information of
`record.” Ex. 1008, 37.7 Petitioner admits that “the Argentum IPR was
`instituted based on the cited prior art and similar arguments” as in this
`Petition. Pet. 64. Accordingly, Segal and Hettche were previously
`presented to the Office and Petitioner makes the same arguments the Office
`previously considered regarding Segal and Hettche.
`Turning next to PDR 1999, we acknowledge that it was not before the
`Examiner during prosecution, but we agree with Patent Owner that the
`teachings in PDR 1999 do not differ “in any material way from the art and
`arguments already considered and overcome during prosecution.” Prelim.
`Resp. 24. In other words, the disclosures in PDR 1999 are substantively the
`same as the disclosures in other references the Examiner considered and
`evaluated during prosecution. PDR 1999 discloses monotherapy nasal spray
`formulations comprising either azelastine hydrochloride or fluticasone
`
`
`7 We cite to the page numbers that Petitioner added to Exhibit 1008.
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`propionate, and Petitioner relies on PDR 1999 for those teachings. See, e.g.,
`Pet. 5; see also Ex. 1010, 1122 (PDR 1999 entry for Flonase, fluticasone
`propionate nasal spray), 3191 (PDR 1999 entry for Astelin, azelastine
`hydrochloride nasal spray). Cramer, which was considered by the Examiner,
`and declarations submitted during prosecution to traverse the rejections,
`described the prior-art practices of using antihistamines and corticosteroids
`as monotherapies. Ex. 1011, 2:19–22; Ex. 2001, 568–596. Moreover, as
`Patent Owner notes, these teachings were already considered by the
`Examiner because “the specification itself recognizes that azelastine and
`fluticasone as monotherapies to treat allergy-related conditions were known
`in the art.” Prelim. Resp. 14–15 (citing Ex. 1001, 1:20–30). Thus, PDR
`1999 is cumulative of the art the Examiner considered during prosecution,
`and Petitioner makes the same arguments that the Office previously
`considered when evaluating the ’620 patent claims.
`Given the foregoing, we determine that the Petition presents not only
`substantially the same prior art, but also the same arguments that were
`previously presented to the Office during prosecution of the ’620 patent.
`C. Error material to patentability
`Because we find that the “same or substantially the same prior art or
`arguments previously were presented to the Office,” we turn to whether
`Petitioner demonstrates that the Office erred in a manner material to the
`patentability of the challenged claims. Advanced Bionics, Paper 6 at 8, 10;
`see Becton, Dickinson, Paper 8 at 24. We conclude that Petitioner does not
`demonstrate an error material to patentability.
`Petitioner does not explicitly allege error in the Examiner’s previous
`consideration of the prior art or arguments, and does not discuss or cite to
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`the factors listed in the Board’s precedential decision in Becton, Dickinson.
`See generally Pet. Nevertheless, Petitioner asserts that, during prosecution,
`the applicant overcame the rejections over Cramer “based solely on alleged
`objective indicia of nonobviousness, none of which demonstrates
`nonobviousness.” Pet. 63–64. Petitioner is correct that the Examiner
`allowed the claims of the ’620 patent after considering objective indicia of
`nonobviousness. Ex. 2001, 195–98. Petitioner, however, has not shown
`sufficiently that the Examiner erred in doing so.
`During the prosecution of the ’620 patent, the applicant submitted
`several declarations from inventor Geena Malhotra as evidence supporting
`unexpected stability of the claimed formulation and the inoperability of
`Cramer’s Example III. Ex. 2001, 336–39, 568–70, 698–700. The applicant
`also submitted declarations from Mr. Nikhil Chopra, Joachim Maus, M.D.,
`and Sujeet Rajan, M.D. to support the assertions of commercial success,
`unexpected results, and long-felt need, respectively. Id. at 328–34, 358–64,
`458–62.
`After considering those declarations, the Examiner allowed the
`claims. See id. at 192–99. As set forth above, in the Reasons for
`Allowability, the Examiner discussed the Chopra, Maus, and Rajan
`declarations in detail. Id. at 195–98. The Examiner: (1) found that the
`Chopra declaration supports the commercial success of the combination
`product, and that it filled a long-felt and unmet need; (2) found that the
`Rajan declaration supports that the combined product met a long-felt but
`unmet need; and (3) agreed with Dr. Maus that the results obtained when
`using the combined azelastine-fluticasone product would have been
`unexpected. Id. at 196–197. Accordingly, the Examiner concluded that “the
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`invention [of the ’620 patent] is unexpectedly and surprisingly unobvious
`over, different from, and superior to the prior art of record.” Id. at 198.
`Petitioner argues that there are no “unexpected results supportive of
`nonobviousness” because, during prosecution, the applicant did not compare
`“the claimed invention to the closest prior art.” Pet. 59. Before turning to
`Petitioner’s arguments, we note that Petitioner cites about 60 paragraphs of
`Dr. Schleimer’s declaration to support its contentions, but the discussion in
`the mentions only four of those paragraphs (paragraphs 603–606). See id.
`at 59–60. “A brief must make all arguments accessible to the judges, rather
`than ask them to play archeologist with the record.” DeSilva v. DiLeonardi,
`181 F.3d 865, 866–67 (7th Cir. 1999); see also 37 C.F.R. § 42.22(a)(2)
`(2018) (Petitioner must “includ[e] a detailed explanation of the significance
`of the evidence including material facts”). Further, “[a]rguments must not
`be incorporated by reference from one document into another
`document.” 37 C.F.R. § 42.6(a)(3) (2018). Accordingly, we consider only
`the paragraphs on which Petitioner’s arguments rely.
`According to Petitioner, “the closest prior art is a pharmaceutical
`nasal formulation comprising both azelastine and fluticasone, such as those
`taught by Cramer and Segal.” Pet. 59. Thus, Petitioner asserts that the
`applicant did not show unexpected results because it did not present “results
`comparing the claimed invention to a pharmaceutical nasal formulation
`comprising both azelastine and fluticasone, such as those taught by Cramer
`and Segal, or to co-administration of commercially available azelastine
`hydrochloride nasal spray and fluticasone propionate nasal spray.” Id. at 60.
`Dr. Schleimer testifies similarly. Ex. 1061 ¶¶ 604–606.
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`Even if we agreed with Petitioner that the applicant did not compare
`the claimed invention to the closest prior art, Petitioner has not shown
`sufficiently on this record that the Examiner erred in allowing the challenged
`claims. The Examiner did not allow the claims solely based on the
`applicant’s showing of unexpected results; the Examiner also found
`persuasive the applicant’s commercial success and long-felt need evidence,
`including the Chopra and Rajan declarations. Ex. 2001, 195–198.
`Petitioner does not discuss either of these declarations, and does not
`mention commercial success. With respect to long-felt but unmet need,
`Petitioner only states that “Cipla has not shown that the claimed invention
`satisfied a long-felt but unmet need, for at least the reason that Cipla has not
`shown that any such need that was not already satisfied by co-administration
`of commercially available azelastine hydrochloride and fluticasone
`propionate nasal sprays.” Pet. 61. This conclusory attorney argument is not
`supported by any evidence, and is not enough to show that the Examiner
`committed any material error.
`Moreover, Petitioner’s argument is substantially similar to one made
`in the Argentum IPR that the Examiner already considered during
`prosecution of the related ’585 patent. Ex. 1008, 37 (“With regard to the
`Declaration by Maus, the Argentum Petition asserts that the relevant
`comparator for the inventive formulation is concurrent use of fluticasone
`propionate nasal spray and azelastine nasal spray.”). There, the Examiner
`determined that assertion “is not persuasive because at the time of the
`invention, the field as a whole was divided as to whether oral or nasal
`administration of antihistamine was better.” Id. Petitioner, however, does
`not attempt to explain how the Examiner erred in that determination.
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`Petitioner also does not discuss the Maus declaration,8 which the Examiner
`found persuasive. See, e.g., Ex. 1008, 41 (describing the Maus declaration
`as reviewing several studies, including “a non-prior art study which
`concludes that there is no evidence that a combination of intranasal
`corticosteroids with intranasal antihistamines provides any additional
`therapeutic benefit, in comparison with intranasal steroids alone”).
`Accordingly, the record demonstrates that the Examiner determined
`the claims were nonobviousness based on the totality of the evidence.
`Petitioner has not demonstrated a material error by the Office in the prior
`consideration of the same or substantially the same art or arguments
`presented in the Petition.
`
`III. CONCLUSION
`The Petition relies on the same and substantially the same references,
`and presents arguments that are substantially the same as those the Examiner
`considered and the applicant overcame during prosecution of the ’620
`patent. Petitioner does not demonstrate that the Examiner materially erred in
`considering such. Accordingly, in light of the circumstances of this case, we
`exercise our discretion and deny institution of a trial under 35 U.S.C.
`§ 325(d).9
`
`
`8 Petitioner also argues that a declaration by inventor Geena Malhotra does
`not support nonobviousness. Pet. 54. But, as Petitioner acknowledges, “the
`Examiner did not cite [the Malhotra] declaration in issuing the patents.” Id.
`Thus, we do not find Petitioner’s arguments directed to the Malhotra
`declaration as relevant in determining whether Petitioner shows that the
`Examiner erred in a manner material to patentability.
`9 Patent Owner argues that we should deny institution for several other
`reasons. Prelim. Resp. 5–11, 29–62. Because we deny the Petition under
`§ 325(d), we do not reach those additional arguments.
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`IV. ORDER
`
`In consideration of the foregoing, it is hereby
`ORDERED that the Petition is denied, and no trial is instituted.
`
`
`
`
`
`FOR PETITIONER:
`Charles E. Lipsey
`Trenton A. Ward
`Richard B. Racine
`Joann M. Neth, Ph.D.
`Shana K. Cyr, Ph.D.
`FINNEGAN, HENDERSON,
`FARABOW, GARRETT & DUNNER LLP
`charles.lipsey@finnegan.com
`trenton.ward@finnegan.com
`rich.racine@finnegan.com
`joann.neth@finnegan.com
`shana.cyr@finnegan.com
`
`
`FOR PATENT OWNER:
`
`Brandon M. White
`Emily J. Greb
`Nathan K. Kelley
`
`PERKINS COIE LLP
`White-ptab@perkinscoie.com
`Greb-ptab@perkinscoie.com
`Kelley_nathan-ptab@perkinscoie.com
`
`
`
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