Judge Profile

Russell E. Cass

106 IP cases indexed. Covers patent matters.

Cases Presided Over

106 cases indexed | Page 1 of 4

patent all challenged claims unpatentable · Mar 27, 2026

Google LLC v.--

· IPR2026-00271

Google and Samsung successfully challenged 27 claims of Headwater's ’733 patent, with the PTAB finding all claims unpatentable as obvious over MMS standards and known encryption technology.

patent all challenged claims unpatentable · Jan 23, 2026

Google LLC et al. v.HEADWATER RESEARCH LLC

· IPR2026-00203

The PTAB held that claims 1‑17, 19, 21‑27, 29 and 30 of Headwater Research’s ’733 patent are unpatentable. Google and Samsung successfully proved obviousness over the MMS 3GPP spec and the Ogawa encryption device.

patent all challenged claims unpatentable · Nov 25, 2025

Target Corporation v.HEADWATER RESEARCH LLC

· IPR2026-00154

The PTAB held that all 18 claims of Headwater’s ’042 patent are unpatentable, finding them obvious over a combination of prior‑art references Limont, Wright, Xu and Polson.

patent all challenged claims unpatentable · Nov 25, 2025

Target Corporation v.HEADWATER RESEARCH LLC

· IPR2026-00153

The PTAB held that claims 1‑18 of the ’042 patent are unpatentable, finding them obvious over a combination of Limont, Wright, Xu, and Polson references.

patent all challenged claims unpatentable · Nov 25, 2025

Target Corporation v.HEADWATER RESEARCH LLC

· IPR2026-00154

The PTAB held that Samsung’s ’733 patent claims are unpatentable, finding them obvious over a 3GPP MMS standard and an earlier encryption device. All 27 challenged claims were cancelled.

patent all challenged claims unpatentable · Nov 25, 2025

Target Corporation v.HEADWATER RESEARCH LLC

· IPR2026-00153

The PTAB held that Samsung, Google and Samsung America failed to prove patentability of Headwater's ’733 patent. All challenged claims were found obvious over TS-23.140 and Ogawa, rendering them unpatentable.

patent terminated or settled · Oct 7, 2025

BOE Technology Group Co., Ltd. v.Paneltouch Technologies LLC

· IPR2025-01246

BOE Technology Group and Paneltouch Technologies settled their IPR dispute over U.S. Patent 8,803,836. The Board granted a joint motion to terminate the three inter partes review proceedings and kept the settlement agreement confidential.

patent terminated or settled · Oct 7, 2025

BOE Technology Group Co., Ltd. v.Paneltouch Technologies LLC

· IPR2025-01245

BOE Technology and Paneltouch Technologies settled their dispute over three patents, leading the PTAB to terminate the related IPRs. The settlement agreement is treated as confidential business information.

patent denied · Jun 17, 2025

Geotab Inc. et al. v.Fractus, S.A.

· PGR2025-00056

The PTAB denied institution for the petitioner's IPR challenge against a wireless device patent related to antenna complexity. The Board found that the petitioner failed to demonstrate an ordinary skilled artisan would be motivated to combine prior art references, specifically because such combinations violated critical spatial diversity requirements of the patented invention.

patent instituted · Jun 6, 2025

Geotab Inc. et al. v.Fractus, S.A.

· IPR2025-01027

The PTAB has instituted an IPR challenge against Fractus's patent covering antenna design/MFWD technology. Petitioner Geotab Inc. et al. asserted grounds of anticipation (102) and obviousness (103), challenging 20 claims based on prior art including Dou, Jing, and Baliarda-543. The Board found a reasonable likelihood of prevailing for the petitioner, moving forward with the trial preparation phase.

patent instituted · Jun 6, 2025

Geotab Inc. et al. v.Fractus, S.A.

· IPR2025-01026

The PTAB institution decision found a reasonable likelihood of prevailing for the petitioner in its challenge to patent 11031677, which covers multifunction wireless devices and antenna design. The grounds included anticipation (103) and written description/enablement issues related to prior art like Baliarda-543.

patent terminated or settled · May 8, 2025

BOE Technology Group Co., Ltd. v.Paneltouch Technologies LLC

· IPR2025-01267

BOE Technology and Paneltouch Technologies settled their inter partes review of U.S. Patent 11,126,025, leading the PTAB to terminate the proceeding and keep the settlement confidential.

patent terminated or settled · Apr 6, 2025

Apple Inc. v.Advanced Coding Technologies LLC

· IPR2025-01103

Apple and Advanced Coding Technologies reached a settlement, leading to the termination of an inter‑ partes review of Patent 8,230,101 B2. The Board granted the joint motion to end the proceeding and ordered the settlement documents to be kept confidential.

patent instituted · Apr 6, 2025

Apple Inc. v.Advanced Coding Technologies LLC

· IPR2025-01103

Apple Inc. successfully petitioned to institute an IPR against Advanced Coding Technologies LLC's patent (8230101), challenging claims 7-12 based on obviousness over multiple prior art combinations. The Board found that the Petition met the reasonable likelihood standard, particularly regarding how Lamkin discloses key limitations related to content location and tree structure.

patent terminated or settled · Feb 21, 2025

Samsung Electronics Co., Ltd. et al. v.Optimum Imaging Technologies LLC

· IPR2025-00628

Samsung and Optimum Imaging Technologies settled four IPRs before trial. The parties filed joint motions to terminate, and the PTAB dismissed the petitions, treating the settlement agreements as confidential.

patent terminated or settled · Feb 1, 2025

Ericsson Inc et al. v.HEADWATER PARTNERS II LLC

· IPR2025-00404

Ericsson and Nokia settled their IPR with Headwater Partners over patent 9,413,502, leading the Board to terminate the proceeding.

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 terminated or settled · Jan 25, 2025

Samsung Electronics America, Inc. et al. v.Koninklijke KPN N.V.

· IPR2025-00534

Samsung and Dutch telecom KPN settled their disputes, leading the PTAB to terminate six inter partes review proceedings before any hearing. The settlement agreement is kept confidential under statutory provisions.

patent all challenged claims unpatentable · Jan 25, 2025

Samsung Electronics America, Inc. et al. v.Koninklijke KPN N.V.

· IPR2025-00533

The PTAB held that Samsung’s challenge to KPN’s RE48,089 patent was successful, finding all asserted claims unpatentable for obviousness over Olofsson and Kuruvilla. The Board adopted the petitioner’s claim construction for “coverage assessment” and rejected the patent owner’s arguments about distinct elements and operational networks.

patent terminated or settled · Jan 23, 2025

Samsung Electronics Co., Ltd. et al. v.Optimum Imaging Technologies LLC

· IPR2025-00461

Samsung and Optimum Imaging Technologies settled four IPRs, including the 7,612,805 patent, resulting in a joint motion to terminate. The Board dismissed the petitions and kept the settlement documents confidential.

patent terminated or settled · Jan 23, 2025

Samsung Electronics Co., Ltd. et al. v.Optimum Imaging Technologies LLC

· IPR2025-00463

Samsung and Optimum Imaging Technologies settled their IPR dispute over U.S. Patent 10,877,266, leading the PTAB to terminate the proceeding before trial.

patent terminated or settled · Jan 23, 2025

Samsung Electronics Co., Ltd. et al. v.Optimum Imaging Technologies LLC

· IPR2025-00462

Samsung and Optimum Imaging Technologies settled their PTAB dispute, filing a joint motion to terminate four IPRs. The Board granted the termination and kept the settlement agreements confidential.

patent terminated or settled · Jan 20, 2025

Samsung Electronics America, Inc. et al. v.Koninklijke KPN N.V.

· IPR2025-00504

Samsung and Dutch telecom KPN settled their dispute, filing a joint motion that led the PTAB to terminate the inter partes review of KPN’s patent before institution. The settlement agreement is to be kept confidential.

patent terminated or settled · Jan 18, 2025

Samsung Electronics Co., Ltd. et al. v.Koninklijke KPN N.V.

· IPR2025-00512

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.

patent terminated or settled · Jan 17, 2025

Samsung Electronics America, Inc. et al. v.Koninklijke KPN N.V.

· IPR2025-00503

Samsung and KPN settled their inter partes review disputes, leading the PTAB to terminate six IPRs before institution. The settlement agreement was ordered kept confidential.

patent terminated or settled · Jan 17, 2025

Samsung Electronics America, Inc. et al. v.Koninklijke KPN N.V.

· IPR2025-00502

Samsung Electronics and Dutch telecom firm KPN settled their disputes, prompting the PTAB to terminate six inter partes review proceedings before they were instituted.

patent terminated or settled · Jan 5, 2025

Docker Inc. v.Intellectual Ventures II LLC

· IPR2025-00840

Docker Inc. and Intellectual Ventures II LLC settled their inter partes review disputes before trial, leading the PTAB to dismiss the IPRs. The settlement covered three patents and the agreements were treated as confidential business information.

patent denied · Dec 23, 2024

Tesla, Inc. v.Intellectual Ventures II LLC

· IPR2025-00341

Tesla’s petition to invalidate claims of U.S. Patent 7,181,743 was denied after the Board found no abuse of discretion. The Board held that the prior‑art reference Welch does not disclose the claimed event‑correlation capabilities.

patent denied · Dec 23, 2024

Tesla, Inc. v.Intellectual Ventures II LLC

· IPR2025-00341

The PTAB denied Tesla's IPR against Intellectual Ventures II over patent 7,181,743. The Board found that the prior art did not teach or suggest the specific 'event correlation capabilities' required by the challenged claims.

patent denied · Dec 8, 2024

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

· IPR2024-01180

Samsung’s petition to invalidate Headwater Research’s 9,271,184 patent on obviousness grounds was denied. The Board concluded the prior art did not teach the specific blocking step required by the claims, failing the reasonable‑likelihood test.

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