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Gilead & Janssen v. Apotex | SYMTUZA HIV Patent Litigation | PatSnap
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Case ID1:22-cv-01399
FiledOct 2022
ClosedFeb 2025
Patent Litigation

Gilead & Janssen v. Apotex: SYMTUZA HIV Patent Case Consolidated After 847 Days

Gilead Sciences, Gilead Sciences Ireland UC, Janssen Products LP, and Janssen Sciences Ireland filed suit against Apotex Inc. and Apotex Corp. in Delaware District Court, asserting five patents protecting the HIV combination therapy SYMTUZA. After 847 days, the case was consolidated with related Lupin actions under lead docket C.A. No. 21-1621-MN, with all proceedings now governed by the Lupin schedule.

Resolution time
847days
847-day duration before consolidation into the lead Lupin ANDA action
Patents asserted
5
US10039718B2 and 4 further patents asserted covering HIV therapy and pharmaceutical formulation
Outcome
Case Consolidated
Case merged into lead Lupin action; all filings proceed in C.A. No. 21-1621-MN
Cost ruling
Not determined
Cost and fee allocation not resolved at this procedural stage; pending in lead action
Published by PatSnap Insights Team · Verified by PatSnap Eureka Data
Case overview

ANDA patent battle over generic SYMTUZA merged into consolidated HIV drug litigation

Filed on October 25, 2022 in the District of Delaware before Judge Maryellen Noreika, this action arose from Apotex Inc. and Apotex Corp. filing an Abbreviated New Drug Application seeking FDA approval to market a generic version of SYMTUZA, a fixed-dose HIV combination therapy marketed by Janssen Products LP. Plaintiffs Gilead Sciences, Gilead Sciences Ireland UC, Janssen Products LP, and Janssen Sciences Ireland Unlimited Company asserted five patents, most centrally US10039718B2, covering compositions and methods of treating HIV and the pharmaceutical formulation technologies underlying SYMTUZA.

The case was terminated on February 18, 2025 through consolidation with two related Lupin actions — C.A. No. 21-1621-MN and C.A. No. 23-508-MN — which were themselves consolidated in May 2023. Because the Apotex action and the Lupin actions involved the same factual and legal issues relating to the ‘718 patent, all parties stipulated, and the Court ordered, that the Apotex action proceed under the Lupin schedule. The Apotex trial date set for August 5, 2024 was vacated, and future filings are to be made in the lead docket.

The 847-day duration before consolidation reflects the complexity of multi-defendant ANDA litigation over a blockbuster HIV therapy. The consolidation order is procedurally common in parallel ANDA cases but carries substantive weight: Apotex is now bound by the Lupin discovery and scheduling framework, with its fact discovery carved out separately so as not to count against Lupin’s limitations. The ultimate merits outcome on validity and infringement of all five patents — including invalidity challenges under 35 U.S.C. §§ 103 and 112 — remains to be determined in the lead consolidated proceeding.

Case at a glance
Case no.1:22-cv-01399
DefendantApotex, Inc.
CourtDelaware
JudgeMaryellen Noreika
FiledOctober 25, 2022
ClosedFebruary 18, 2025
Duration847 days
OutcomeCase Consolidated
Verdict causeInfringement Action
BasisCase Consolidated
Prior Art Intelligence
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Case data sourced from PACER / Delaware District Court via PatSnap Eureka Litigation Intelligence Explore similar cases ↗
Case timeline

Filing to Case Consolidated in 847 days

847-day duration before consolidation into the lead Lupin ANDA action

Case timeline: Complaint filed OCT 25 2022, DEC–JAN — 847 days total Horizontal timeline showing the three key events in Gilead Sciences, Inc. v Apotex, Inc. from filing to resolution. Source: PACER, Delaware District Court. OCT 25 2022 Complaint filed Pre-trial proceedings FEB 18 2025 Case Consolidated 847 DAYS TOTAL
Consolidation terms

Case consolidated: what the merger into the Lupin action means for both parties

Legal mechanism

Consolidation: one trial to resolve all ANDA defendants together

Under Federal Rule of Civil Procedure 42(a), a court may consolidate actions that share common questions of law or fact. Here, the Apotex and Lupin ANDA actions both turn on the validity and infringement of US10039718B2 covering SYMTUZA. The Court ordered the cases consolidated for all purposes, with Apotex now proceeding under the schedule and discovery framework already entered in the Lupin lead docket C.A. No. 21-1621-MN.

Rule 42(a) consolidation
Patent holder outcome

Plaintiffs gain litigation efficiency across both ANDA challengers

Consolidation benefits Gilead and Janssen by allowing a single trial record and unified expert strategy across both Apotex and Lupin. The Plaintiffs retain the right to share confidential information provided by one defendant with the other defendant’s outside counsel, strengthening their ability to present a consistent infringement and validity position. The consolidated case also avoids potentially inconsistent rulings across separate proceedings.

Unified trial strategy
Challenger outcome

Apotex absorbed into Lupin schedule with limited independent discovery

Apotex’s separate trial date of August 5, 2024 was vacated. The company is now subject to the Lupin scheduling order but retains a carve-out: its fact discovery does not count against Lupin’s discovery limitations, and any additional fact discovery it pursues must be non-duplicative and narrowly tailored. Apotex may still assert invalidity contentions under §§ 103 and 112 (written description), but those contentions were due by July 7, 2023.

Constrained discovery rights
Commercial implications

Generic SYMTUZA market entry remains blocked pending consolidated trial outcome

SYMTUZA is a high-value HIV combination product. Consolidation means that both Apotex and Lupin face a single, unified patent barrier before any generic can enter the market. The outcome of the consolidated proceeding on the ‘718 patent and the four additional formulation patents will determine whether either or both generic applicants can obtain FDA approval and compete. Until a final judgment is entered in the lead action, the 30-month Hatch-Waxman stay and patent protection remain operative.

30-month stay ongoing
Legal analysis based on PACER docket records for case 1:22-cv-01399 and PatSnap Eureka litigation intelligence Search PatSnap Eureka ↗
Parties and representation

Full party and counsel information

RoleNameTypeDetail
PlaintiffGilead Sciences, Inc.CompanyPharma IP rights holder — holder of US10039718B2 protecting SYMTUZA HIV therapySearch in Eureka ↗
Co-PlaintiffJanssen Products, LPCompanySearch in Eureka ↗
Co-PlaintiffGilead Sciences Ireland, UCIndividualSearch in Eureka ↗
Co-PlaintiffJanssen Sciences Ireland Unlimited CompanyCompanySearch in Eureka ↗
DefendantApotex, Inc.CompanyCanadian generic pharmaceutical manufacturer seeking ANDA approval for generic SYMTUZASearch in Eureka ↗
Co-DefendantApotex Corp.CompanySearch in Eureka ↗
Plaintiff counselAllyson ParksAttorneyCounsel for Gilead Sciences, Inc.Search in Eureka ↗
Plaintiff counselCharlotte C. JacobsenAttorneyCounsel for Gilead Sciences, Inc.Search in Eureka ↗
Plaintiff counselDavid GlandorfAttorneyCounsel for Gilead Sciences, Inc.Search in Eureka ↗
Plaintiff counselJack B. BlumenfeldAttorneyCounsel for Gilead Sciences, Inc.Search in Eureka ↗
Plaintiff counselJeremy A. TiganAttorneyCounsel for Gilead Sciences, Inc.Search in Eureka ↗
Plaintiff counselWayne M. BarskyAttorneyCounsel for Gilead Sciences, Inc.Search in Eureka ↗
Plaintiff law firmMorris, Nichols, Arsht & Tunnell LLPLaw FirmRepresenting Gilead Sciences, Inc.Search in Eureka ↗
Defendant counselCortlan S. HitchAttorneyCounsel for Apotex, Inc.Search in Eureka ↗
Defendant counselIan ScottAttorneyCounsel for Apotex, Inc.Search in Eureka ↗
Defendant counselKenneth Laurence DorsneyAttorneyCounsel for Apotex, Inc.Search in Eureka ↗
Defendant counselStephen R. AutenAttorneyCounsel for Apotex, Inc.Search in Eureka ↗
Defendant law firmMorris James LLPLaw FirmRepresenting Apotex, Inc.Search in Eureka ↗
Presiding judgeJudge Maryellen NoreikaJudgeDelaware District CourtSearch in Eureka ↗
Official verdict

Official order — verbatim text

“WHEREAS Defendants Lupin Limited, Lupin Pharmaceuticals, Inc., MSN Laboratories Private Ltd., MSN Life Sciences Private Ltd., and MSN Pharmaceuticals Inc. (collectively, the “Lupin Defendants”) filed an Abbreviated New Drug Application (“ANDA”) seeking FDA approval to market a generic version of Janssen Products, L.P.’s SYMTUZA® product; Case 1:22-cv-01399-MN Document 38 Filed 06/26/23 Page 1 of 5 PageID #: 363 2 WHEREAS, Plaintiffs Gilead Sciences, Inc., Gilead Sciences Ireland UC, Janssen Products, L.P., Janssen Sciences Ireland Unlimited Company (collectively, “Plaintiffs”) filed a patent infringement suit against the Lupin Defendants on November 16, 2021 (C.A. No. 21-1621- MN) and a second infringement suit against the Lupin Defendants on May 9, 2023 (C.A. No. 23- 508-MN, together with C.A. No. 21-1621-MN, the “Lupin Actions”), which the Court consolidated on May 22, 2023 (C.A. No. 21-1621-MN, D.I. 123); WHEREAS Defendants Apotex Inc. and Apotex Corp. (collectively, the “Apotex Defendants”) filed an ANDA seeking FDA approval to market a generic version of Janssen Products, L.P.’s SYMTUZA® product; WHEREAS, Plaintiffs filed a patent infringement suit against the Apotex Defendants on October 25, 2022 (C.A. No. 22-1399-MN, the “Apotex Action”); WHEREAS, the Court set a bench trial in the Apotex Action for August 5, 2024, and ordered Plaintiffs and the Apotex Defendants to submit a proposed scheduling order by June 8, 2023 (C.A. No. 22-1399-MN, D.I. 28); WHEREAS, Plaintiffs have asserted U.S. Patent No. 10,039,718 (“the ’718 patent”) in both the Lupin Actions and the Apotex Action; WHEREAS, the Lupin Actions and the Apotex Action involve the same factual and legal issues relating to the ’718 patent; WHEREAS, Plaintiffs and the Apotex Defendants agree that the trial date in C.A. No. 22- 1399-MN should be vacated, and all parties agree, subject to the Court’s approval, that the Lupin Actions and the Apotex Action should be consolidated and proceed according to the schedule entered in the Lupin Actions (C.A. No. 21-1621-MN, D.I. 123); and Case 1:22-cv-01399-MN Document 38 Filed 06/26/23 Page 2 of 5 PageID #: 364 3 1. The Lupin Actions and the Apotex Action are consolidated for all purposes; 2. All papers shall be filed in the lead action, C.A. No. 21-1621-MN; 3. The trial date in C.A. No. 22-1399-MN is vacated; 4. The Lupin Actions and the Apotex Action shall proceed according to the schedule entered in the Lupin Actions (C.A. No. 21-1621-MN, D.I. 123), subject to the following additions and/or modifications: a) Plaintiffs and the Apotex Defendants shall serve their initial disclosures pursuant to Federal Rule of Civil Procedure 26(a)(1) by June 23, 2023; b) Defendants shall serve any Supplemental Final Invalidity Contentions with respect to the ’718 patent by July 7, 2023; Defendants agree that any Supplemental Final Invalidity Contentions with respect to the ’718 patent will be limited to alleging invalidity under 35 U.S.C. §§ 103 or 112 (written description); Plaintiffs shall be permitted to respond to such Supplemental Final Invalidity Contentions in their Opening or Rebuttal Expert Reports, as applicable; c) In addition to the production required by paragraph 8 of the Stipulation of Infringement and Order in the Apotex Action (22-cv-01399, D.I. 20), the Apotex Defendants shall produce to Plaintiffs any and all supplements, amendments or replacements to their ANDA, and any and all correspondence to or from FDA WHEREAS, all parties hereby certify that they have received approval to submit this stipulation and proposed order from their respective clients; NOW THEREFORE, it is hereby stipulated by the parties, subject to the approval of the Court, that: Case 1:22-cv-01399-MN Document 38 Filed 06/26/23 Page 3 of 5 PageID #: 365 4 regarding the same; Apotex agrees that any additional fact discovery that it seeks will be non-duplicative and narrowly tailored to the issues in the case; 5. Any fact discovery served by or on the Apotex Defendants shall not count towards the limitations on discovery served by or on the Lupin Defendants; 6. Plaintiffs may disclose, summarize, describe, reveal, or otherwise make available, in whole or in part, any confidential information provided by one defendant to the outside counsel of record or experts of another defendant concerning the ’718 patent, or as otherwise agreed by the parties; and 7. The Stipulation of Infringement and Order in C.A. No. 21-cv-1621 (D.I. 61) and the Stipulation of Infringement and Order in the Apotex Action (22-cv-01399, D.I. 20) shall apply in this consolidated action with respect to the ’718 patent, as if entered here”
Source: PACER Docket, Case 1:22-cv-01399, Delaware District Court

The consolidation order is procedural rather than a merits determination. It does not adjudicate infringement or validity of any of the five asserted patents. The critical legal significance lies in the scope of the Stipulation of Infringement already entered in both the Apotex and Lupin actions with respect to the ‘718 patent — meaning infringement is not disputed, and the consolidated trial will focus entirely on validity under §§ 103 and 112. The merits outcome remains open and will be determined at trial in the lead Lupin docket.

PACER case 1:22-cv-01399 · Public docket record Explore in Eureka ↗
Patent at issue

US10039718B2 — HIV combination therapy compositions and methods

Publication No.US9115100B2
Application No.US14/476622
Patent details
ProductHIV combination therapy compositions and treatment methods
Cited in actionOctober 25, 2022

Publication No.US10039718B2
Application No.US12/434513
Patent details
ProductHIV treatment compositions and pharmaceutical methods of use
Cited in actionOctober 25, 2022

Publication No.US8497396B2
Application No.US12/752639
Patent details
ProductPharmaceutical agent intermediates and synthesis methods
Cited in actionOctober 25, 2022

Publication No.US9428473B2
Application No.US14/799090
Patent details
ProductHIV treatment pharmaceutical compositions and formulations
Cited in actionOctober 25, 2022

Publication No.US10786518B2
Application No.US16/040324
Patent details
ProductSolid carrier particle formulation technology for pharmaceutical agents
Cited in actionOctober 25, 2022

US10039718B2, filed under application US12/434513, covers compositions and methods of treating HIV — the core intellectual property protecting Janssen’s SYMTUZA, a fixed-dose combination antiretroviral product. The patent sits within a five-patent portfolio also including US9115100B2 and US9428473B2 on HIV compositions and formulations, US8497396B2 on pharmaceutical intermediates and preparation methods, and US10786518B2 on solid carrier particle technology that improves pharmaceutical processability. Together, these patents cover both the active pharmaceutical ingredient combinations and the formulation engineering that enables SYMTUZA’s commercial dosage form.

SYMTUZA is a commercially significant HIV therapy, and the five-patent portfolio creates layered protection that generic manufacturers must overcome in full before market entry. The consolidation of infringement stipulations on the ‘718 patent — already agreed by both Apotex and Lupin — signals that the patent’s claim scope is not seriously contested on infringement grounds. The real commercial risk for the branded holders lies in the §§ 103 and 112 validity challenges, where prior art combinations and written description adequacy arguments could potentially narrow or invalidate key claims and open the market to generic competition.

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Freedom to operate

Should you run an FTO against US10039718B2 and the SYMTUZA portfolio?

Any company developing or manufacturing HIV combination antiretroviral therapies — particularly fixed-dose combinations involving darunavir, cobicistat, emtricitabine, or tenofovir alafenamide — should treat the five-patent SYMTUZA portfolio as a primary FTO concern. The infringement stipulations entered against both Apotex and Lupin suggest the claim scope of US10039718B2 is broad enough to capture ANDA-based generics, and the formulation patents extend risk to manufacturers using solid carrier particle technology for HIV drug processing.

PatSnap Eureka’s FTO Search Agent can map your compound, formulation, or process against all five asserted patents in a single workflow — identifying claim-by-claim overlap, flagging prosecution history estoppel, and surfacing relevant prior art that may support design-around or invalidity arguments. With the consolidated trial still pending in C.A. No. 21-1621-MN, the window to build a proactive FTO position and monitor claim amendments remains open.

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Related litigation

Similar HIV ANDA patent cases in Delaware District Court

Explore comparable Hatch-Waxman ANDA infringement actions over HIV combination therapies litigated in Delaware District Court, including related Gilead and Janssen patent assertions.

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Gilead Sciences, Inc. patent enforcement history, Delaware case history, Gilead Sciences, Inc.’s full IP portfolio, and comparable case analysis
Gilead v. Lupin C.A. 21-1621HIV ANDA actions in DelawareUS10039718 related casesSYMTUZA patent litigation history
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Strategic implications

What this case signals for the HIV pharma IP landscape

Multi-defendant ANDA consolidation in Delaware is increasingly the norm for blockbuster HIV therapies — and SYMTUZA is a high-stakes test case.

Delaware judges routinely consolidate parallel ANDA cases to reduce judicial burden

Judge Noreika’s consolidation order here is consistent with broader Delaware District Court practice for complex pharmaceutical patent cases with multiple generic challengers. Companies monitoring ANDA litigation should expect consolidation orders when two or more defendants file on the same reference listed drug and assert overlapping patent challenges.

The ‘718 patent is the critical validity battleground in both the Apotex and Lupin tracks

US10039718B2 is the only patent asserted in both the Lupin and Apotex actions, making it the focal point of consolidated invalidity proceedings. Defendants are limited to §§ 103 (obviousness) and 112 (written description) challenges — meaning prior art and disclosure-adequacy arguments will dominate trial, not § 102 novelty attacks.

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Unlock full strategic analysis of this Delaware District Court HIV ANDA consolidation — including FTO risk mapping across all five asserted patents.
Cross-defendant disclosure risk§112 written description exposureGeneric entry timeline analysis
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Frequently asked questions

Gilead v Apotex — key questions answered

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Monitor the consolidated SYMTUZA patent trial and protect your HIV pipeline

The consolidated trial in C.A. No. 21-1621-MN will determine the validity of all five SYMTUZA patents. Use PatSnap Eureka to track case developments, run FTO searches against the asserted claims, and benchmark your HIV formulation pipeline against this portfolio.

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