Industry Sector
Broadband communications — US PTAB Patent Cases
2 decisions indexed
Page 1 of 1 · 2 total
patent
Red Hat, Inc. v.Competitive Access Systems, Inc.
· IPR2025-01372
Red Hat has filed an IPR petition challenging all 20 claims of Competitive Access Systems' broadband communications device patent, asserting obviousness over Kotzin and Challener references.
patent
Nokia of America Corp. v.Adaptive Spectrum and Signal Alignment, Inc.
· IPR2025-00428
Nokia has filed an IPR petition seeking cancellation of all 20 claims of Adaptive Spectrum’s DSL‑crosstalk patent, arguing that the invention is obvious over three prior‑art references that were never considered during prosecution.
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.