Judge Profile

A. Gerstenblith

41 IP cases indexed. Covers patent matters.

Cases Presided Over

41 cases indexed | Page 1 of 2

patent instituted · Nov 7, 2025

SHENZHEN RONGLIDA TECHNOLOGY CO. LTD. d/b/a ShutterLight v.Pathway IP LLC

· IPR2025-01231

The PTAB instituted the IPR challenge against Pathway IP LLC's '729 patent, finding a reasonable likelihood of success on obviousness grounds. The Petitioner argues that Claim 1 is obvious over Naghi and Dine by combining their respective features to create an optimized webcam illumination device.

patent terminated or settled · Apr 4, 2025

Home Depot U.S.A., Inc. v.H2 Intellect LLC

· IPR2025-00480

Home Depot and H2 Intellect settled their dispute, leading the PTAB to terminate the inter partes review of patent 9,779,418 B2. The Board granted the joint motion to terminate and treated the settlement agreements as confidential.

patent denied · Mar 28, 2025

Henri Daussi, LLC v.ECNA, LLC et al.

· IPR2025-00807

The PTAB denied Henri Daussi, LLC's motion to withdraw its IPR petition against ECNA, LLC's patent 9,398,791, while allowing the parties to file a joint motion to terminate the proceeding after settling.

patent terminated or settled · Mar 28, 2025

Henri Daussi, LLC v.ECNA, LLC et al.

· IPR2025-00807

The PTAB granted the parties’ joint request to keep their settlement agreement confidential after the IPR was terminated by mutual agreement.

patent terminated or settled · Mar 28, 2025

Henri Daussi, LLC v.ECNA, LLC et al.

· IPR2025-00807

Henri Daussi, LLC and ECNA, LLC settled their dispute over U.S. Patent 9,398,791 B1 and jointly moved to terminate the inter partes review before the Board instituted the trial. The Board granted the motion, dismissing the petition.

patent denied · Feb 28, 2025

TankLogix, LLC v.SitePro, Inc.

· IPR2025-00653

The PTAB denied institution of TankLogix's IPR against SitePro, Inc. regarding claims related to remote control of fluid-handling devices in oil and gas facilities. The Board found that the petitioner failed to demonstrate a reasonable likelihood of prevailing on grounds of anticipation or obviousness over prior art references Cardamone and Kahn.

patent denied · Feb 28, 2025

TankLogix, LLC v.SitePro, Inc.

· IPR2025-00652

TankLogix's IPR petition against SitePro's patent (11,294,403 B2) was denied by the PTAB. The Board found that prior art reference Kahn did not disclose the necessary 'remote control' capabilities for fluid-handling devices, defeating both anticipation and obviousness grounds.

patent denied · Feb 28, 2025

TankLogix, LLC v.SitePro, Inc.

· IPR2025-00651

The PTAB denied institution of the IPR for TankLogix against SitePro regarding remote fluid control systems. The Board found that Petitioner failed to establish a reasonable likelihood of prevailing on any ground, specifically rejecting attempts to equate 'process data' with the claimed 'target value.'

patent denied · Feb 28, 2025

TankLogix, LLC v.SitePro, Inc.

· IPR2025-00650

TankLogix, LLC's IPR petition against SitePro, Inc.'s patent was denied by the PTAB, finding insufficient evidence to support anticipation or obviousness challenges. The Board determined that TankLogix failed to demonstrate a reasonable likelihood of prevailing on the record regarding claims related to fluid handling and industrial control systems.

patent denied · Dec 12, 2024

Intel Corporation et al. v.Collision Communications, Inc.

· IPR2025-00301

The PTAB denied institution of an IPR filed by Intel and others against Collision Communications regarding wireless multiuser detection claims. The denial was based on the Fintiv factors, noting that the parallel district court trial date was too close to the Board's statutory deadline.

patent terminated or settled · Sep 8, 2024

Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company et al.

· IPR2024-01267

Samsung and Cerence jointly moved to terminate IPR2024-01267 after reaching a settlement. The Board granted the motion, treating the settlement as confidential and ending the proceeding.

patent instituted · Sep 8, 2024

Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company et al.

· IPR2024-01267

Samsung Electronics challenged Cerence Operating Company’s patentability over handwriting recognition and text input features, arguing obviousness using prior art from Arai and Fenwick. The PTAB institution decision found a reasonable likelihood of prevailing on multiple claims, advancing the IPR challenge.

patent terminated or settled · Aug 1, 2024

Samsung Electronics Co., Ltd. et al. v.Advanced Coding Technologies, LLC

· IPR2024-00372

Samsung and Advanced Coding Technologies settled their IPR dispute over patent 10,218,995. The Board granted the joint motion to terminate the proceeding and treated the settlement agreement as confidential.

patent terminated or settled · Aug 1, 2024

Samsung Electronics Co., Ltd. et al. v.Advanced Coding Technologies, LLC

· IPR2024-00374

Samsung and Advanced Coding Technologies settled their IPR dispute over patent 8,090,025, leading the PTAB to terminate the proceeding. The settlement agreement was treated as confidential business information.

patent instituted · Aug 1, 2024

Samsung Electronics Co., Ltd. et al. v.Advanced Coding Technologies, LLC

· IPR2024-00374

The PTAB instituted an IPR challenging Samsung's patent claims against Advanced Coding Technologies over video compression technology. The Board found that the petitioner sufficiently explained how prior art combined to teach key claimed elements, leading to institution on all claims.

patent instituted · Aug 1, 2024

Samsung Electronics Co., Ltd. et al. v.Advanced Coding Technologies, LLC

· IPR2024-00372

Samsung Electronics Co., Ltd. successfully challenged four claims of Advanced Coding Technologies, LLC's patent (10218995) in the PTAB IPR proceeding. The Board found that the petitioner established a reasonable likelihood of prevailing on unpatentability based on obviousness over prior art references.

patent terminated or settled · Jul 24, 2024

Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company et al.

· IPR2024-00979

Samsung, Google and Cerence entered a joint settlement that led to the termination of two inter partes review proceedings covering Cerence's automotive voice‑assistant patents. The Board granted the motion to terminate and ordered the settlement agreements to be kept confidential.

patent terminated or settled · Jul 24, 2024

Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company et al.

· IPR2024-00978

Samsung, Google and Cerence reached a settlement that led the PTAB to terminate the IPR on patent 7,395,078. The Board found good cause to end the proceeding and kept the settlement documents confidential.

patent instituted · Jul 24, 2024

Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company et al.

· IPR2024-00979

Samsung Electronics successfully petitioned for institution of IPR against Cerence Operating Company, arguing that the patent claims related to SMS audio messaging were obvious over prior art references including Dolan and Freedman. The PTAB found a reasonable likelihood of prevailing on at least one claim, moving the case into active litigation.

patent instituted · Jul 24, 2024

Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company et al.

· IPR2024-00978

The PTAB institution decision found a reasonable likelihood of prevailing for Samsung against Cerence regarding claims related to voice messaging in mobile devices. The Board accepted the Petitioner's mapping that prior art discloses key elements, despite challenges from the Patent Owner on claim definitions.

patent terminated or settled · Jul 19, 2024

Honda Motor Co., Ltd. et al. v.Infogation Corp.

· IPR2024-01160

Honda and Infogation settled their dispute, prompting the PTAB to dismiss IPR2024-01160 before institution. The Board granted the joint motion to dismiss and ordered the settlement kept confidential.

patent terminated or settled · Jun 28, 2024

Bombardier Recreational Products Inc. v.MHL Custom, Inc.

· IPR2024-01107

Bombardier Recreational Products and MHL Custom settled their IPR dispute, leading the PTAB to terminate the review of patent 9,586,659. The settlement agreement was kept confidential under statutory provisions.

patent terminated or settled · Jun 28, 2024

Bombardier Recreational Products Inc. v.MHL Custom, Inc.

· IPR2024-01108

Bombardier Recreational Products and MHL Custom settled their inter partes review, leading the PTAB to terminate the proceeding. The Board granted the joint motion and kept the settlement confidential.

patent instituted · Jun 20, 2024

NXP USA, INC. et al. v.ParkerVision, Inc.

· IPR2024-01068

The PTAB instituted an IPR against ParkerVision’s ’528 mixed‑signal chip patent, covering 30 claims, and granted NXP’s motion to join the parallel TI IPR.

patent instituted · Jun 20, 2024

NXP USA, INC. et al. v.ParkerVision, Inc.

· IPR2024-01066

The PTAB instituted an IPR against NXP’s challenge to ParkerVision’s ’177 patent, focusing on claim 14, and granted NXP’s motion to join the parallel Texas Instruments IPR.

patent denied · Jun 6, 2024

Shenzhen Waydoo Intelligence Technology Co., Ltd. v.MHL Custom, Inc.

· IPR2024-00999

The PTAB denied an Inter Partes Review petition against MHL Custom's patent (9586659) filed by Shenzhen Waydoo Intelligence. The denial was based on the petition being time-barred under 35 U.S.C. § 315(b), as Petitioner had already lost related litigation using the same prior art.

patent denied · Jun 6, 2024

Shenzhen Waydoo Intelligence Technology Co., Ltd. v.MHL Custom, Inc.

· IPR2024-00998

The PTAB denied institution of IPR for Patent 9,359,044 B2, finding the petition time-barred. The denial followed the rejection of a motion to join because the petitioner had already challenged the patent's validity in district court.

patent all challenged claims unpatentable · May 21, 2024

MediaTek Inc. et al. v.ParkerVision, Inc.

· IPR2024-00796

The PTAB held that claims 1, 6‑9, 12, and 17‑20 of ParkerVision’s ’108 patent are unpatentable. Petitioner proved obviousness over Downey, Sedra, and Hahnel, and the Board rejected the Patent Owner’s claim‑term construction for “switch.”

patent instituted · May 21, 2024

MediaTek Inc. et al. v.ParkerVision, Inc.

· IPR2024-00796

MediaTek Inc.'s IPR petition against ParkerVision, Inc. was instituted by the PTAB, establishing a reasonable likelihood of prevailing on obviousness grounds. The petitioner successfully argued that combining Nevo and Avitabile renders claims 1-20 unpatentable in wireless communication systems.

patent denied · May 18, 2024

Texas Instruments Incorporated v.ParkerVision, Inc.

· IPR2024-00934

RPX's petition to invalidate ParkerVision's down-conversion patent was denied by the PTAB, which found no reasonable likelihood of success on the asserted anticipation and obviousness grounds.

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