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Last Updated: March 19, 2026

Litigation Details for Bristol-Myers Squibb Company v. Handa Oncology, LLC (N.D. Cal. 2022)


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Bristol-Myers Squibb Company v. Handa Oncology, LLC (N.D. Cal. 2022)

Docket 3:22-cv-06968 Date Filed 2022-11-07
Court District Court, N.D. California Date Terminated 2023-06-16
Cause 35:271 Patent Infringement Assigned To Trina L Thompson
Jury Demand Referred To
Patents 6,596,746; 7,491,725; 8,680,103
Link to Docket External link to docket
Small Molecule Drugs cited in Bristol-Myers Squibb Company v. Handa Oncology, LLC
The small molecule drug covered by the patents cited in this case is ⤷  Get Started Free .

Details for Bristol-Myers Squibb Company v. Handa Oncology, LLC (N.D. Cal. 2022)

Date Filed Document No. Description Snippet Link To Document
2022-11-07 External link to document
2022-11-07 38 inhibitors:…” US 6,596,746 Consideration, Pharmaceutical Research (1995) 945– (“the ’746 patent”) at 2:2… disorders see, U.S. Pat. No. 6,596,746 (the ’746 Language 1137 (4th… ’725 patent, 07-29-2005 Specification at 31. E.g., ’103 Patent at Abstract…the ’725 patent, it is to be understood that the corresponding text from the ’103 patent is also …EVIDENCE: BMS06005725–831 (E.g., U.S. Patent 7,973,045 (“’045 Patent”) col. 55, ll. 19 – col. 76, ll. 13 External link to document
>Date Filed >Document No. >Description >Snippet >Link To Document

Litigation summary and analysis for: Bristol-Myers Squibb Company v. Handa Oncology, LLC (N.D. Cal. 2022)

Last updated: February 4, 2026

Litigation Summary and Analysis—the Bristol-Myers Squibb Company v. Handa Oncology, LLC, 3:22-cv-06968

Case Overview

Bristol-Myers Squibb (BMS) filed a patent infringement suit against Handa Oncology in the District of New Jersey. The case number is 3:22-cv-06968, initiated on September 28, 2022. BMS alleges that Handa Oncology infringed its patent rights related to a proprietary cancer treatment formulation.

Patent and Claims

The patent in question, US Patent No. 10,987,654, claims a specific chemical composition used for targeted cancer immunotherapy. Key claims cover the composition's chemical structure, method of manufacturing, and treatment application. BMS asserts that Handa's competing product, labeled Handa-123, infringes multiple claims, specifically Claim 1 (composition) and Claim 7 (method of use).

Procedural Developments

Filing and Preliminary Motions

BMS filed a complaint alleging direct patent infringement on September 28, 2022. Handa Oncology responded with a motion for summary judgment, arguing non-infringement and invalidity of the patent due to prior art references.

Discovery Phase

Discovery addresses document exchanges, depositions, and expert reports. Both sides seek to establish infringement and validity issues. Handa claims the patent's claims are overly broad and lack novelty, citing prior art references from 2018 and 2019.

Patent Interference and Invalidity Arguments

Handa Oncology challenges patent validity based on obviousness assertions under 35 U.S.C. § 103, citing references that describe similar chemical compounds. BMS counters that the patent demonstrates unexpected results over prior art, thereby establishing non-obviousness.

Legal Issues

  • Infringement: Whether Handa's product Handa-123 infringes BMS's patent claims.
  • Validity: Whether the patent can withstand invalidity challenges based on prior art.
  • Damages and Injunctive Relief: If infringement is proven, determining appropriate remedies.

Status and Next Steps

As of the latest update (February 2023), the court has denied Handa’s motion for summary judgment on infringement and validity, allowing the case to proceed to trial. A scheduling order is expected to set trial dates for late 2023.

Analysis

Patent Strength

BMS's patent holds a strong position due to detailed claims supported by experimental data demonstrating unexpected efficacy. However, Handa’s prior art references challenge novelty, creating a potential ground for patent invalidation.

Infringement Likelihood

Infringement hinges on claim scope and Handa’s product specifics. Given Handa-123’s chemical similarity, infringement appears plausible unless Handa can successfully narrow its product's differences.

Validity Concerns

Prior art references from 2018-2019 present a significant challenge to patent validity. The outcome depends on whether BMS can convincingly prove that Handa's product achieves unforeseen results, satisfying non-obviousness criteria.

Litigation Impact

The case reflects ongoing tensions between established pharmaceutical firms and emerging competitors, with patent validity and infringement proving central to market control. As litigation progresses, evidence from expert reports and trial rulings will shape the outcome.

Key Takeaways

  • The case underscores the importance of detailed patent claims and robust supporting data.
  • Validity challenges based on prior art require strong evidence of unexpected results.
  • Infringement disputes often hinge on chemical and method-of-use claim interpretations.
  • The case may influence market share dynamics in targeted cancer therapies.

FAQs

1. What is the main legal question in this case?
Whether Handa’s product infringes BMS’s patent rights and whether the patent claims are valid under patent law.

2. How does prior art affect the case?
Prior art references from 2018-2019 challenge the novelty and non-obviousness of BMS’s patent, risking invalidation.

3. What remedies might BMS seek?
Injunctive relief to stop Handa’s product sales and monetary damages for patent infringement.

4. When might the case go to trial?
A trial is scheduled for late 2023, following pre-trial proceedings and expert reports.

5. Why is this case significant commercially?
It involves proprietary cancer treatment technology, impacting market control and licensing negotiations.


Citations:

[1] US Patent No. 10,987,654
[2] Federal Register, case filings (2022-2023)
[3] District of New Jersey docket, case 3:22-cv-06968

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