Short Summary
Intel and others challenged Ericsson's '659 Patent, arguing that its deblocking filter equations are obvious over prior art references like Fu and Bjontegaard. The petition asserts that a Person Having Ordinary Skill in the Art would have routinely optimized the claimed coefficients using existing knowledge of high-pass filters.
Detailed Summary
This IPR challenges Telefonaktiebolaget LM Ericsson's '659 Patent, which relates to deblocking filters used in video compression. The petitioner, Intel Corporation et al., asserts that the claims are rendered obvious under 35 U.S.C. § 103. Specifically, they argue that the claimed modifications and filter coefficients are merely routine optimizations derivable from prior art references such as Fu, Bjontegaard, List, and JCTVC-B205. The petition details how a Person Having Ordinary Skill in the Art (POSITA) would have easily arrived at the claimed structure through standard experimentation or mathematical equivalence.
Practitioner Note
This case demonstrates the evidentiary and procedural standards applied in patent matters before local courts. Understanding the court's reasoning in Intel Corporation et al. vs Telefonaktiebolaget LM Ericsson is valuable context for structuring arguments or assessing risk in similar proceedings.
Related Cases
Cellco Partnership d/b/a Verizon Wireless et al.vsPegasus Wireless Innovation LLC
Cellco Partnership and other major carriers petition the PTAB to institute an IPR against Pegasus Wireless Innovation's ’931 patent covering MTC uplink control channel resource allocation, asserting obviousness over standard 3GPP references. The petition argues the Board should not deny institution under §325(d) or §314(a).
Google LLCvsCellular South Inc
Google LLC has filed a petition for Director Review challenging the USPTO’s denial of institution for its IPR against Cellular South’s 9,940,972 patent. The petition argues that the Board’s “settled expectations” rule exceeds statutory authority and violates the APA, AIA, and due process.
PacifiCorp et al.vsMES, Inc.
PacifiCorp and affiliated utilities have filed a petition to invalidate MES’s ’225 mercury‑removal patent. The petition alleges lack of written‑description support, obviousness over prior art, and anticipation, and urges the PTAB not to deny institution.
Dyson Technology Limited et al.vsOmachron Intellectual Property Inc. et al.
Dyson Technology Limited successfully petitioned to invalidate Omachron Intellectual Property's vacuum cleaner patent (US 10,117,550). The petition asserted grounds of anticipation and obviousness based on multiple prior art references.
Shenzhen Tuozhu Technology Co., Ltd. et al.vsStratasys, Inc. et al.
The PTAB Director has issued a review request for IPR2025-00438, directing the petitioner to file a concise response limited to the raised issues and prohibiting new evidence.
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.