Short Summary
Comcast has filed a petition to review Entropic’s ’275 patent, asserting that all twenty claims are anticipated or obvious over prior art such as Zhang and its combinations. The petition argues that discretionary denial does not apply and seeks cancellation of the claims.
Detailed Summary
Comcast Cable Communications, LLC filed Petition IPR2025-00180 challenging U.S. Patent No. 11,785,275 owned by Entropic Communications, LLC. The petition contends that claims 1‑20 are either anticipated or rendered obvious by the Zhang publication and its combinations with Pandey, Zhang ’933, Mirabbasi, and Dong. It provides detailed claim constructions for “radio front end” and “digital frontend” and argues that the Board should not exercise discretionary denial under §§ 314(a) and 325(d). The filing seeks institution of the IPR and cancellation of all twenty claims, noting that similar petitions against related patents have already been instituted. No settlement or joint termination is indicated, and the proceeding is pending a Board decision on institution.
Practitioner Note
This case demonstrates the evidentiary and procedural standards applied in patent matters before local courts. Understanding the court's reasoning in Comcast Cable Communications, LLC et al. vs Entropic Communications, LLC is valuable context for structuring arguments or assessing risk in similar proceedings.
Related Cases
Samsung Electronics Co., Ltd. et al.vsHermes IP Management LLC
Samsung has filed an IPR petition challenging 12 claims of Hermes IP’s ’060 patent covering location‑based services for camera phones, asserting obviousness over multiple prior‑art references.
Amazon.com, Inc. et al.vsNokia Technologies Oy
Amazon and Nokia settled their IPR dispute over patent 8,175,148. The Board granted a joint motion to terminate the proceeding and treated the settlement documents as confidential, without deciding the merits.
Apple Inc.vsImberaTek, LLC
Apple and ImberaTek have settled their dispute over U.S. Patent 7,609,527 and jointly moved to terminate the pending IPR. The Board is asked to dismiss the pre‑institution proceeding on good‑cause grounds.
Snap, Inc.vsNokia Technologies Oy
The USPTO Board denied institution for the IPR challenge brought by Snap, Inc. against Nokia's patent 8175148.
Apple Inc.vsLS Cable & System Ltd. et al.
Apple has filed an IPR petition seeking to invalidate all claims of LS Cable’s 8,013,568 patent covering contactless battery charging. The petition relies on multiple obviousness grounds using prior‑art references such as Baarman‑878, NCP1800, Horowitz, Veselic and Baarman‑267.
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.
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.