Telecommunications — US PTAB Patent Cases
115 decisions indexed
Page 2 of 4 · 115 total
Samsung Electronics America, Inc. et al. v.Koninklijke KPN N.V.
Samsung has filed an IPR petition challenging KPN’s 8,549,151 patent covering SIP/RTSP gateway functionality. The petition relies on three obviousness grounds citing Alston, Gateva, Mela, and Fajardo. Institutional decision is pending.
Samsung Electronics Co., Ltd. et al. v.Koninklijke KPN N.V.
Samsung Electronics and KPN settled their disputes and jointly moved to terminate six inter partes review proceedings, including IPR2025-00512 covering U.S. Patent 8,881,235. The Board granted the termination and ordered the settlement agreement to be kept confidential.
AT&T Services, Inc. et al. v.Adaptive Spectrum and Signal Alignment, Inc.
AT&T and Nokia, together with patent owner ASSIA, have settled their dispute over U.S. Patent 9,954,631 and jointly moved to terminate the inter partes review. The Board is asked to treat the settlement agreement as confidential and end the proceeding.
AT&T Services, Inc. et al. v.Adaptive Spectrum and Signal Alignment, Inc.
AT&T and Nokia seek IPR cancellation of a G.fast‑related patent, arguing that the claims are obvious over prior‑art Bingham, Strobel, and ITU contributions Wei and Kuipers.
Samsung Electronics America, Inc. et al. v.Koninklijke KPN N.V.
Samsung has filed an IPR petition challenging 16 claims of KPN’s ’669 patent, asserting obviousness over Widegren, Widegren‑793, ETSI TS 183 063 and Astrom, and urging the Board not to deny institution.
Tesla, Inc. v.Intellectual Ventures II LLC
The Director denied institution of an IPR against Tesla's patent (6894639) after reviewing the case, citing inconsistent claim construction arguments made by Tesla in district court versus before the PTAB.
Charter Communications, Inc. v.Iarnach Technologies Limited
Iarnach Technologies filed a preliminary response urging the PTAB to deny Charter Communications’ IPR petition on U.S. Patent 9,674,035. The owner contends the petition lacks a reasonable likelihood of success and that the cited prior art does not teach the claimed updates. The Board is asked to reject the petition.
SAP America, Inc. et al. v.Valtrus Innovations Ltd.
SAP America petitions the PTAB to invalidate Valtrus’s ’738 patent covering SIP fault‑tolerance methods, asserting obviousness over the Forissier patent. The petition also argues that discretionary denial under §§ 325(d) and 314(a) is improper.
Charter Communications, Inc. v.Iarnach Technologies Limited
Charter Communications petitions the PTAB to invalidate Iarnach Technologies’ EPON configuration patent, asserting that all 32 claims are obvious over a body of prior art. The petition also argues that a discretionary denial would be improper under §§314 and 325(d).
Google LLC et al. v.Mullen Industries LLC
The Director denied requests for review in multiple IPR proceedings involving Google and Samsung against Mullen Industries regarding patent 11246024. The denial affirms the initial decision not to institute trial.
Lenovo (United States) Inc. et al. v.Collision Communications, Inc.
The PTAB denied Lenovo and Motorola's request to institute IPR against Collision Communications regarding patent 6947505. The denial was based on the Petitioner failing to show a reasonable likelihood of success, mirroring a prior adverse ruling in related proceedings.
Google LLC et al. v.Mullen Industries LLC
The Director denied requests for review in multiple IPR proceedings involving Google and Mullen Industries. The denial upheld prior decisions that had not instituted trials on the challenged patents.
Google LLC et al. v.Mullen Industries LLC
The Director denied requests for review in multiple IPR proceedings involving Google and Samsung against Mullen Industries. The decision maintains the prior institution decisions across several patents.
Cisco Systems, Inc. v.WSOU Investments LLC d/b/a Brazos Licensing and Development
Cisco Systems successfully petitioned the PTAB to institute an IPR against WSOU Investments regarding network protection claims (8982691). The Board found sufficient evidence of obviousness under 35 U.S.C. § 103, specifically finding that prior art references inherently disclose key claim limitations.
Cisco Systems, Inc. v.WSOU Investments LLC d/b/a Brazos Licensing and Development
The Director denied the institution of an Inter Partes Review in a Cisco Systems case, vacating the initial decision. The denial was based on procedural efficiency due to the proximity of a parallel district court trial.
Sterlite Technologies Inc. v.AFL TELECOMMUNICATIONS, LLC
Sterlite Technologies petitions the PTAB to invalidate claims of AFL Telecommunications' optical‑fiber cable patent, arguing obviousness over multiple prior‑art references and that discretionary denial is unwarranted.
Lenovo (United States), Inc. et al. v.Telefonaktiebolaget LM Ericsson
Lenovo and Ericsson filed a joint request for their settlement agreements to be kept confidential under PTAB rules.
Cisco Systems, Inc. v.Portsmouth Network Corporation
Cisco Systems successfully argued that multiple claims of Portsmouth Network Corporation's patent were unpatentable over prior art references Dziong and Sathyanath, specifically regarding network routing and bandwidth allocation. The PTAB found a reasonable likelihood of prevailing on several key claims, leading to the institution of the IPR.
Cisco Systems, Inc. v.Portsmouth Network Corporation
The PTAB rejected Cisco's IPR challenge against the '088 patent, finding no grounds for obviousness over prior art references Dziong and Sathyanath. The Board construed the key term "other connections" narrowly to mean established connections with allocated bandwidth, favoring the Patent Owner's interpretation.
Apple Inc. v.--
The PTAB found all challenged claims unpatentable in this final IPR decision. The Petitioner successfully demonstrated obviousness over prior art references (Buer, Dua, Kotola) for the hybrid device technology.
Charter Communications, Inc. v.Iarnach Technologies Limited
Charter Communications challenges Iarnach Technologies' 9,287,982 patent covering DOCSIS‑based EPON provisioning. The patent owner argues the petition lacks a reasonable likelihood of invalidity and invokes Fintiv factors to seek a discretionary denial of institution.
Charter Communications, Inc. v.Iarnach Technologies Limited
Charter Communications’ IPR petition against Iarnach Technologies’ 9,287,982 patent was deemed insufficient. The Patent Owner’s response argues the petitioner ignored the limiting preamble and failed to provide particularized obviousness arguments.
Charter Communications, Inc. v.Iarnach Technologies Limited
Charter Communications' IPR petition against Iarnach Technologies' DOCSIS auto‑configuration patent is challenged by the patent owner, who argues the petitioner's reply adds new, undisclosed arguments, violating the IPR rules. The patent owner seeks dismissal of the new arguments and confirmation of the patent's validity.
Charter Communications, Inc. v.Iarnach Technologies Limited
Charter Communications has filed an IPR petition seeking cancellation of all 13 claims of U.S. Patent 8,942,378, which covers multicast encryption in passive optical networks. The petition argues the claims are obvious over prior art including Murakami, RFC 1112, RFC 4601, and the Yen patent application, and challenges discretionary denial arguments.
Charter Communications, Inc. v.Iarnach Technologies Limited
The PTAB instituted the IPR for Charter Communications against Iarnach Technologies, finding sufficient evidence that claims of Patent No. 9287982 are obvious over various prior art references (Bernstein, Tsuge, MEF 6.1). The Board addressed numerous claim construction issues, confirming some preambles were limiting while others were not.
Charter Communications, Inc. v.Iarnach Technologies Limited
Charter Communications, Inc. failed to invalidate 13 claims covering Passive Optical Networks (PON) and multicast encryption technologies before the PTAB. The Board denied institution based on insufficient evidence showing obviousness over prior art including RFCs and Murakami.
Juniper Networks, Inc v.Monarch Networking Solutions LLC
Juniper Networks successfully petitioned to challenge Monarch Networking Solutions' patent on grounds of obviousness (35 U.S.C. § 103). The Board found a reasonable likelihood of success, leading to the institution of the IPR proceedings against claims 1 and 5-8.
Google LLC v.--
Google LLC has initiated a Petition challenging U.S. Patent No. 8,825,787 held by Songbird Tech, LLC. The petitioner argues that the patent claims covering voice messaging and web communication systems are unpatentable under both 35 U.S.C. §§ 102 and 103. This challenge targets fundamental components like audio encoding/decoding and browser-resident applications.
Cisco Systems, Inc. v.Croga Innovations Ltd.
Cisco and Croga Innovations settled their dispute over U.S. Patent 7,738,368, resulting in a joint motion to terminate the inter partes review. The Board granted the motion, ending the proceeding without a merits decision.
Cisco Systems, Inc. v.Croga Innovations Ltd.
Cisco has filed an IPR petition seeking to invalidate claims 1 and 2 of Croga Innovations’ VoIP codec‑switching patent, arguing obviousness over multiple prior‑art references and asserting that discretionary denial is unwarranted.
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