Judge Profile

Christopher M. Kaiser

50 IP cases indexed. Covers patent matters.

Cases Presided Over

50 cases indexed | Page 2 of 2

patent denied · Jun 9, 2024

Shenzhen Kangvape Technology Co., Ltd. v.RAI Strategic Holdings, Inc. et al.

· IPR2024-01406

The PTAB denied institution of an IPR challenge against a vaporizing smoking article patent, citing the existence and advanced stage of a parallel ITC investigation.

patent denied · Jun 6, 2024

BOE Technology Group Co., Ltd. v.138 East LCD Advancements Limited et al.

· IPR2024-00977

The PTAB denied BOE Technology Group’s request for rehearing of its denied institution of an IPR on claims 7‑13 and 15‑20 of U.S. Patent 9,557,606. The Board held that the petitioner failed to define “wiring line” and did not show a reasonable likelihood of success.

patent denied · Jun 6, 2024

BOE Technology Group Co., Ltd. v.138 East LCD Advancements Limited et al.

· IPR2024-00977

The PTAB denied institution of the IPR petition filed by BOE Technology Group Co., Ltd. against 138 East LCD Advancements Limited. The denial was based on Petitioner's failure to provide sufficient evidence for grounds of anticipation and obviousness over Fujikawa, Kang, and Ikeguchi.

patent terminated or settled · May 31, 2024

TransCore, LP et al. v.Hand Held Products, Inc.

· IPR2024-00982

TransCore and Hand Held Products settled their IPR dispute over a handheld scanner patent. The Board granted a joint motion to terminate the proceedings before trial, treating the settlement as confidential.

patent instituted · May 21, 2024

Ascend Elements, Inc. v.Duesenfeld GmbH

· IPR2024-00948

Ascend Elements, Inc. successfully convinced the PTAB to institute trial in its IPR against Duesenfeld GmbH regarding battery recycling technology. The Board found a reasonable likelihood of prevailing on at least one ground of obviousness over multiple prior art references.

patent instituted · May 6, 2024

BOE Technology Group, Co. Ltd. v.138 East LCD Advancements Limited et al.

· IPR2024-00973

BOE Technology Group successfully navigated the initial hurdles in its IPR against 138 East LCD Advancements Limited, leading to the Board instituting the challenge. The Board found sufficient preliminary evidence across multiple grounds of obviousness (102 and 103) concerning liquid crystal display protective circuits.

patent final · May 6, 2024

BOE Technology Group, Co. Ltd. v.138 East LCD Advancements Limited et al.

· IPR2024-00973

The Board found that the majority of claims (1, 3–7, 9–13, 15–18) were unpatentable over Reiner and Takahara based on obviousness. However, Claims 2, 8, and 14 survived the challenge, indicating a mixed outcome for the Petitioner.

patent denied · May 2, 2024

NJOY, LLC et al. v.JUUL Labs, Inc.

· IPR2024-00536

The PTAB denied institution of the IPR petition for NJOY against JUUL Labs, finding that Petitioner failed to demonstrate a reasonable likelihood of prevailing on obviousness grounds. The Board found insufficient motivation or reasonable expectation of success in combining various prior art references across multiple claims.

patent instituted · Apr 18, 2024

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

· IPR2024-00675

CISCO SYSTEMS and FORTINET successfully convinced the PTAB to institute review against InfoExpress Inc.'s patent, finding a reasonable likelihood of prevailing on multiple claims. The Board adopted a specific claim construction regarding device reconfiguration while accepting the petitioner's obviousness arguments over Krantz and Herrmann.

patent instituted · Apr 15, 2024

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

· IPR2024-00676

CISCO and FORTINET successfully petitioned to challenge InfoExpress's network security patents, leading the PTAB to institute proceedings on all claims. The Board agreed with the Petitioner that combining Krantz and Herrmann would render the challenged claims obvious under 35 U.S.C. § 103.

patent denied · Apr 6, 2024

BOE Technology Group Co., Ltd. v.138 East LCD Advancements Limited et al.

· IPR2024-00976

BOE Technology Group Co., Ltd.'s IPR challenge against the LCD display patent was denied by the PTAB, finding that the petitioner failed to provide sufficient rationale for combining prior art references. The Board determined the obviousness arguments were conclusory and lacked objective support.

patent denied · Mar 28, 2024

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

· IPR2024-00678

CISCO SYSTEMS, INC. failed to overcome obviousness challenges against InfoExpress Inc.'s network security patent (8117645) before the PTAB. The Board denied institution because the petitioner could not demonstrate that prior art teachings sufficiently suggested specific auditing limitations in the claims.

patent all challenged claims upheld · Mar 26, 2024

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

· IPR2024-00677

Cisco and Fortinet successfully defended claims of InfoExpress’s network‑access control patent in IPR2024‑00677; the Board found no unpatentable subject matter.

patent instituted · Mar 26, 2024

CISCO SYSTEMS, INC. et al. v.InfoExpress Inc.

· IPR2024-00677

CISCO Systems and FORTINET successfully instituted an IPR against InfoExpress Inc.'s patent, finding a reasonable likelihood of obviousness over Krantz and Herrmann. The Board agreed that combining network authentication (Krantz) with policy enforcement (Herrmann) would teach the claimed method for auditing devices.

patent Final Written Decision · Feb 22, 2024

Apple Inc. v.RJ Technology LLC

· IPR2024-00597

The PTAB issued a Final Written Decision finding multiple claims of the patent unpatentable as obvious in view of prior art. The Board focused heavily on claim construction, specifically defining 'charge cut-off voltage' based on practical full-cell operation rather than just applied charging potential. Claims 2–4 and 6–18 were found invalid under 103.

patent terminated or settled · Feb 21, 2024

Arm Limited v.ICPillar LLC

· IPR2024-00566

Arm Limited and ICPillar LLC settled their dispute over U.S. Patent 9,367,657, leading to a joint motion that terminated the inter partes review. The Board granted confidentiality for the settlement agreement and dismissed the proceedings.

patent terminated or settled · Jan 26, 2024

Arm Ltd. v.ICPillar LLC

· IPR2024-00476

Arm Limited and ICPillar LLC jointly moved to terminate an IPR after reaching a settlement. The Board granted the termination and treated the settlement agreement as confidential business information.

patent instituted · Jan 26, 2024

Arm Ltd. v.ICPillar LLC

· IPR2024-00476

Arm Ltd.'s IPR challenge against ICPillar LLC's '8924899 patent was instituted by the PTAB, focusing on obviousness over prior art including Rompaey and Banerjee. The Board adopted a broad claim construction for key software commands, allowing the case to proceed to trial.

patent all challenged claims unpatentable · Jan 19, 2024

Apple, Inc. v.THL Holding Company, LLC

· IPR2024-00400

Apple’s IPR against THL Holding’s patent 11,350,246 concluded with an adverse judgment after the patent owner disclaimed all challenged claims. The Board entered judgment against claims 20‑27 and terminated the proceeding.

patent final · Jan 19, 2024

Apple, Inc. v.THL Holding Company, LLC

· IPR2024-00399

The PTAB issued a Final Written Decision finding claims 11-19 unpatentable over combinations of prior art references. The Petitioner successfully demonstrated that the combination of Kalliola and other references taught or suggested multiple limitations, particularly regarding UWB DoA and location tracking. This decision significantly weakens the patent's validity in the device location/ranging space.

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