Judge Profile

Russell E. Cass

106 IP cases indexed. Covers patent matters.

Cases Presided Over

106 cases indexed | Page 3 of 4

patent terminated or settled

Sony Corporation v.Optimum Imaging Technologies LLC

· IPR2024-00924

Sony and Optimum Imaging Technologies settled their IPR dispute over U.S. Patent 7,612,805, leading the PTAB to terminate the proceedings. The settlement agreement is treated as confidential business information.

patent terminated or settled

Sony Corporation v.Optimum Imaging Technologies LLC

· IPR2024-00925

Sony and Optimum Imaging Technologies settled their inter partes review, leading the PTAB to terminate the IPR on patent 8,451,339. The settlement resolves all disputes and the agreement is kept confidential.

patent terminated or settled

Hoymiles USA, Inc. et al. v.CyboEnergy, Inc.

· IPR2024-01106

Hoymiles USA and CyboEnergy settled their IPR dispute over U.S. Patent 8,786,133 B2. The Board granted a joint motion to terminate the proceeding and treated the settlement agreement as confidential.

patent all challenged claims unpatentable

Samsung Electronics Co., Ltd. et al. v.ST CasesTech, LLC et al.

· IPR2024-01032

Samsung successfully challenged Staton Techiya’s echo‑cancelling ear‑piece patent. The PTAB found all asserted claims unpatentable as obvious over a combination of prior‑art references.

patent denied

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

· IPR2024-01180

Samsung’s petition to invalidate Headwater Research’s ’184 patent on differential traffic control was denied. The Board concluded the prior art did not teach the claimed blocking of Internet service requests, so no reasonable likelihood of unpatentability was shown.

patent terminated or settled

FUJIFILM Corporation et al. v.Optimum Imaging Technologies LLC

· IPR2024-01374

Fujifilm and other petitioners settled their IPR disputes with Optimum Imaging Technologies. The Board terminated the IPRs and ordered the settlement agreements to remain confidential.

patent terminated or settled

Cisco Systems, Inc. v.Croga Innovations Ltd.

· IPR2024-01283

Cisco and Croga Innovations jointly moved to terminate their inter partes review after reaching a confidential settlement, and the Board granted the termination.

patent terminated or settled

Nikon Corporation et al. v.Optimum Imaging Technologies LLC

· IPR2024-01372

Nikon and other camera manufacturers settled with Optimum Imaging Technologies, leading the PTAB to terminate the inter partes review of patent 8,451,339 and related patents. The settlement agreement is confidential under statutory provisions.

patent terminated or settled

Palo Alto Networks, Inc. v.Croga Innovations Ltd.

· IPR2024-01421

Palo Alto Networks and Croga Innovations settled their IPR dispute over U.S. Patent 11,223,601, leading the PTAB to terminate the proceeding.

patent terminated or settled

Liberty Mutual Insurance Company et al. v.Intellectual Ventures I

· IPR2025-00200

Liberty Mutual and Intellectual Ventures settled their inter partes review disputes before any trial, leading the Board to terminate the three IPRs. The settlement agreements were treated as confidential business information.

patent terminated or settled

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

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 all challenged claims unpatentable

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

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 terminated or settled

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 all challenged claims unpatentable

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 denied

Tesla, Inc. v.Intellectual Ventures II

· IPR2025-00218

Tesla, Inc.'s IPR challenge against Intellectual Ventures II LLC regarding cellular network resource allocation claims was denied by the PTAB. The Board found that Tesla failed to meet the burden of showing a reasonable likelihood of prevailing on any challenged claim.

patent terminated or settled

Samsung Electronics America, Inc. et al. v.Cobblestone Wireless LLC

· IPR2024-00606

Samsung Electronics and Cobblestone Wireless settled their inter partes review of U.S. Patent 7,924,802, leading the PTAB to terminate the proceeding. The Board granted the joint motion to terminate and treated the settlement agreement as confidential.

patent terminated or settled

Hewlett Packard Enterprise Company et al. v.Cobblestone Wireless LLC

· IPR2024-00707

HPE and Cisco settled their IPR with Cobblestone Wireless over U.S. Patent 7,924,802, leading the PTAB to terminate the proceeding and keep the settlement confidential.

patent terminated or settled

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 terminated or settled

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 all challenged claims unpatentable

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

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

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 instituted

QUALCOMM INCORPORATED et al. v.COBBLESTONE WIRELESS, LLC,

· IPR2024-01336

Qualcomm successfully secured institution for its IPR against Cobblestone Wireless, despite the petition being substantively identical to a previously instituted Samsung proceeding. This decision emphasizes that lack of 'road-mapping' alone is insufficient grounds for discretionary denial when the claims are highly relevant.

patent instituted

BMW of North America, LLC et al. v.Foras Technologies Limited

· IPR2024-01346

BMW of North America successfully petitioned to institute IPR against Foras Technologies, challenging 30 claims related to fault tolerance and processor redundancy. The Board found the petition met the Advanced Bionics framework requirements by introducing new prior art (Arai and Landry).

patent instituted

BMW of North America, LLC et al. v.Foras Technologies Limited

· IPR2024-01347

BMW of North America successfully challenged Foras Technologies Limited's patent via IPR, leading the PTAB to institute proceedings on all claims. The Board found that Petitioner demonstrated a reasonable likelihood of prevailing based on multiple obviousness grounds.

patent instituted

Palo Alto Networks, Inc. v.Croga Innovations Ltd.

· IPR2024-01421

Palo Alto Networks successfully convinced the PTAB to institute an IPR against Croga Innovations Ltd.'s patent (11223601), challenging all 16 claims on grounds of obviousness. The Board found that the Petitioner's arguments regarding prior art combinations were sufficiently compelling, leading to a trial phase.

patent denied

Fortinet, Inc. v.Croga Innovations Ltd.

· IPR2025-00086

Fortinet's attempt to invalidate Croga Innovations Ltd.'s patent on network security claims was denied by the PTAB. The Board found that Fortinet failed to demonstrate obviousness over prior art, specifically Delco and Adams. This denial maintains the validity of key virtualization and firewall technology for Croga.

patent denied

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.

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