Judge Profile

Stephen E. Belisle

86 IP cases indexed. Covers patent matters.

Cases Presided Over

86 cases indexed | Page 2 of 3

patent instituted · Feb 1, 2025

Ericsson Inc et al. v.HEADWATER PARTNERS II LLC

· IPR2025-00404

Ericsson Inc. successfully petitioned to invalidate key claims of Headwater Partners II LLC's patent related to wireless backhaul systems. The PTAB found a reasonable likelihood that the claims are unpatentable based on obviousness and anticipation over prior art (Ishii and Sfar).

patent instituted · Jan 17, 2025

Google LLC v.BrodTi Inc.

· IPR2025-00472

Google LLC successfully secured the institution of its IPR against BrodTi Inc.'s patent (11416898), challenging claims 1-20. The Board found a reasonable likelihood that the claims are obvious over combinations of prior art, including Nicholas and Laidlaw.

patent instituted · Dec 11, 2024

Kangxi Communication Technologies (Shanghai) Co., Ltd. v.SKYWORKS SOLUTIONS, INC.

· IPR2024-01457

Kangxi Communication Technologies challenged SKYWORKS SOLUTIONS' RF switch system patent (9148194) at the PTAB, arguing obviousness over prior art references Huang and Seshimo. The Board granted institution because the petitioner showed a reasonable likelihood of prevailing on claims 1-11 based on the Huang reference. This moves the dispute into the trial phase.

patent instituted · Dec 11, 2024

Kangxi Communication Technologies (Shanghai) Co., Ltd. v.SKYWORKS SOLUTIONS, INC.

· IPR2024-01456

Kangxi Communication Technologies successfully petitioned to institute IPR proceedings against Skyworks Solutions, Inc., asserting that several claims related to RF switches and semiconductor devices are unpatentable. The Board found a reasonable likelihood of prevailing on the grounds of obviousness (103) over prior art references Huang and Seshimo.

patent terminated or settled · Dec 8, 2024

Lenovo (United States) Inc. et al. v.Headwater Research LLC

· IPR2024-01181

Lenovo and Motorola Mobility settled their IPR challenge to Headwater Research’s patent 10,749,700, leading the PTAB to terminate the proceeding and keep the settlement confidential.

patent instituted · Dec 8, 2024

Lenovo (United States) Inc. et al. v.Headwater Research LLC

· IPR2024-01181

Lenovo and Motorola successfully instituted an IPR against Headwater Research, challenging the obviousness of claims related to network capacity management over prior art references. The Board found sufficient evidence that combining Rao and Scahill would render at least claim 1 unpatentable as obvious under § 103.

patent denied · Dec 8, 2024

Lenovo (United States) Inc. et al. v.Headwater Research LLC

· IPR2024-01180

The PTAB denied institution of an IPR petition filed by Lenovo and Motorola against Headwater Research, finding that the petitioner failed to demonstrate a reasonable likelihood of prevailing on its obviousness grounds.

patent terminated or settled · Nov 15, 2024

Ericsson Inc. et al. v.Pegasus Wireless Innovation LLC

· IPR2025-00083

Ericsson, KT and Pegasus entered a settlement that led the PTAB to terminate the inter partes review as to Ericsson. The Board treated the settlement as confidential and left the proceeding open for the remaining petitioners.

patent terminated or settled · Nov 11, 2024

Roku, Inc. v.VideoLabs, Inc.

· IPR2025-00071

Roku and VideoLabs settled their inter partes review dispute over U.S. Patent 7,440,559, leading the PTAB to terminate the proceeding before any claims were instituted.

patent denied · Oct 22, 2024

MediaTek, Inc. et al. v.Redstone Logics LLC

· IPR2025-00085

The PTAB denied institution for an IPR challenge against Redstone Logics LLC's patent, finding that the petitioner failed to demonstrate a reasonable likelihood of prevailing on obviousness grounds. The dispute centered on multi-core processor design and clock ratio controllers.

patent terminated or settled · Sep 20, 2024

Ericsson Inc et al. v.Headwater Partners II LLC

· IPR2024-01468

Major U.S. carriers and Ericsson settled their IPR dispute over U.S. Patent 9,094,868, leading the PTAB to terminate the proceeding and keep the settlement terms confidential.

patent instituted · Sep 20, 2024

Ericsson Inc et al. v.Headwater Partners II LLC

· IPR2024-01468

Ericsson Inc et al. successfully petitioned to institute IPR against Headwater Partners II LLC's patent (9094868), challenging claims 11-15 on obviousness grounds. The PTAB found a reasonable likelihood that the claimed link quality estimation would have been obvious over Jarvinen and Fox.

patent denied · Sep 9, 2024

Samsung Electronics Co., Ltd. et al. v.Headwater Research LLC

· IPR2024-01397

The PTAB denied Samsung's request to institute an IPR against Headwater Research's patent (9647918), citing procedural redundancy with a previously filed, higher-ranked petition.

patent instituted · Sep 9, 2024

Samsung Electronics Co., Ltd. et al. v.Headwater Research LLC

· IPR2024-01396

The PTAB granted institution of IPR for Samsung against Headwater, finding a reasonable likelihood that the challenged wireless device claims are unpatentable over Bennett and Vadde.

patent denied · Sep 9, 2024

Roku, Inc. v.Dolby International AB

· IPR2024-01354

Roku, Inc.'s IPR challenge against Dolby International AB's audio signal coding patents was denied by the PTAB. The Board found that Roku failed to establish a reasonable likelihood of prevailing on any obviousness grounds (35 U.S.C. § 103).

patent some challenged claims unpatentable · Aug 30, 2024

Simpson Strong-Tie Company Inc. et al. v.Columbia Insurance Company et al.

· PGR2024-00050

The PTAB issued a Final Written Decision in PGR2024‑00050, finding claims 5 and 17 indefinite and lacking written description, and deeming claims 1‑12, 15‑17, and 21‑23 obvious over Gilb ’792 and Bundy. The Board granted a partial amendment for claim 32 while denying other proposed substitute claims.

patent mixed - some claims cancelled, some upheld · Aug 30, 2024

Simpson Strong-Tie Company Inc. et al. v.Columbia Insurance Company et al.

· PGR2024-00050

The PTAB found 103 of the 105 claims of Simpson Strong‑Tie’s fire‑wall hanger patent unpatentable as obvious over a combination of Yamaguchi, Bundy, Adams and Gilb ’416 references. Claims 38 and 91 were left intact. The Board adopted petitioner‑proposed claim constructions.

patent terminated or settled · Aug 30, 2024

Simpson Strong-Tie Company Inc. et al. v.Columbia Insurance Company et al.

· PGR2024-00050

Simpson Strong‑Tie and Columbia Insurance reached a confidential settlement, prompting the PTAB to terminate the post‑grant review of patent 11,920,339. The Board granted the joint motion to keep the settlement confidential and end the proceeding.

patent instituted · Aug 30, 2024

Simpson Strong-Tie Company Inc. et al. v.Columbia Insurance Company et al.

· PGR2024-00050

The PTAB decided to institute PGR proceedings, finding that the Petitioner successfully overcame arguments of Examiner error regarding prior art combinations and claim construction issues. The dispute centers on fire-resistant wall assemblies and truss hangers, with the Board issuing preliminary determinations on key terms like 'planar extension plate' and 'bounding.'

patent terminated or settled · Aug 28, 2024

Samsung Electronics Co., Ltd. et al. v.Headwater Research LLC

· IPR2024-01337

Samsung and Headwater Research entered a settlement that led to a joint motion to terminate the IPR over patent 8,588,110. The Board granted the motion, dismissing the proceeding and treating the settlement documents as confidential.

patent instituted · Aug 28, 2024

Samsung Electronics Co., Ltd. et al. v.Headwater Research LLC

· IPR2024-01337

The PTAB institution decision allows Samsung Electronics Co., Ltd. to challenge 30 claims of U.S. Patent No. 8,588,110 B2 based on obviousness (35 U.S.C. § 103). The Board adopted the Petitioner's view of the level of ordinary skill in the art and conducted claim construction for key 'means for' limitations. This sets the stage for a full IPR review against Headwater Research LLC.

patent final · Aug 23, 2024

Genius Sports v.SportsCastr Inc.

· IPR2024-01311

The PTAB found that claims 16-30 of the patent are unpatentable based on anticipation and obviousness grounds. The Board concluded that prior art references, specifically Ellis and Spivey, teach or suggest all limitations of several challenged claims related to live event streaming and data synchronization.

patent Final Written Decision · Aug 23, 2024

Genius Sports Ltd. v.SportsCastr Inc.

· IPR2024-01310

The PTAB issued a Final Written Decision finding all 15 challenged claims unpatentable as obvious over combinations of prior art. Petitioner successfully demonstrated that combining Ellis and Spivey taught an 'event socket' to improve latency, while other grounds were also met by the combination of Ellis, Spivey, and Herzog.

patent final · Aug 22, 2024

Genius Sports Ltd. v.SportsCastr Inc.

· IPR2024-01309

The PTAB found that the challenged claims were unpatentable by a preponderance of evidence, rejecting the Patent Owner's arguments against obviousness. The decision centered on whether prior art references (Ellis and Spivey) combined could teach all limitations of the claimed system for live event broadcasting.

patent final · Aug 22, 2024

Genius Sports Ltd. v.SportsCastr Inc.

· IPR2024-01308

The PTAB issued a Final Written Decision finding all nine challenged claims unpatentable over combinations of prior art references (Ellis, Spivey, Herzog). The Board relied heavily on the combination of Ellis and Spivey to establish obviousness for Claim 1, particularly regarding low-latency data delivery via uniquely addressable event sockets.

patent final · Aug 22, 2024

Genius Sports Ltd. v.SportsCastr Inc.

· IPR2024-01307

The PTAB found that claims 19-25 and 27-30 of the '687 patent were unpatentable over a combination of Ellis and Spivey, based on obviousness (Ground 1). The Board rejected an alternative ground involving Herzog, finding no motivation to combine those references.

patent final · Aug 22, 2024

Genius Sports Ltd. v.SportsCastr Inc.

· IPR2024-01305

The PTAB found claims 1-7 unpatentable over a combination of Ellis, Spivey, and Herzog, concluding that the claimed live video streaming system was obvious to a POSA. The Board specifically held that Spivey's topic queues satisfy the definition of an 'event socket.'

patent terminated or settled · Aug 11, 2024

Roku, Inc. v.VideoLabs, Inc.

· IPR2025-00072

Roku and VideoLabs settled their inter partes review dispute over U.S. Patent 7,233,790, leading the PTAB to terminate the proceeding before institution.

patent terminated or settled · Aug 7, 2024

Hecht, Thomas v.Carver Edison, Inc.

· IPR2024-01135

The petitioner and Carver Edison, Inc. settled their inter partes review before trial, resulting in a joint motion to dismiss and termination of the proceeding. The Board granted confidentiality for the settlement agreement.

patent denied · Jul 6, 2024

Google LLC et al. v.Headwater Research LLC

· IPR2024-00945

Google's attempt to invalidate a wireless traffic control patent was denied by the PTAB, as the petitioner failed to meet the 'reasonable likelihood' standard for obviousness. The Board found that the prior art did not sufficiently teach or suggest the specific differential traffic policies claimed in the patent.

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