Valneva Austria GMBH v. Takeda Vaccines, Inc.

IPR2025-00776

Valneva has filed an IPR petition challenging all 67 claims of Takeda’s Zika vaccine patent, asserting anticipation and obviousness over multiple prior‑art references. The petitioner argues the examiner erred and that no discretionary bars apply, seeking cancellation of the entire patent.

Jurisdiction
US PTAB
Case Number
IPR2025-00776
Decision Date
31 March 2025
Filing Date
31 March 2025

Detailed Summary

In Petition IPR2025‑00776, Valneva Austria GMBH requests inter partes review of U.S. Patent No. 11,730,802, which claims methods and compositions for Zika virus vaccination. The petitioner contends that claims 1‑67 are either anticipated or rendered obvious by the Thomas publication and, where applicable, in combination with Barbero, Murata, Faucette, the NCT02952833 clinical trial, and Liu’s assay comparison. Valneva argues the examiner’s material errors—particularly the failure to apply Thomas to claim 75—warrant institution, and asserts that neither § 314(a) nor § 325(d) discretionary grounds apply. The petition seeks institution and cancellation of all challenged claims.

Practitioner Note

This case demonstrates the evidentiary and procedural standards applied in patent matters before local courts. Understanding the court's reasoning in Valneva Austria GMBH vs Takeda Vaccines, Inc. is valuable context for structuring arguments or assessing risk in similar proceedings.

Related Cases

Arctic Invent — IP Strategy

Dealing with a patent challenge?

Whether it's a Section 3(d) rejection, a post-grant opposition, or a FRAND dispute, Arctic's patent litigation team has handled it. Get a strategy call.

Talk to our patent team →

Disclaimer: This page contains an automated summary based on publicly available judicial records. The content is generated for informational purposes only and does not constitute legal advice. Always verify details against the original source judgment before relying on this information for any legal purpose. If you believe any information is inaccurate, please contact us.

Strategy Consult

Facing a similar patent matter?

Arctic's litigation team uses precedent data like this to build winning arguments.

Get a Strategy Call