Judge Profile

A. Gerstenblith

41 IP cases indexed. Covers patent matters.

Cases Presided Over

41 cases indexed | Page 1 of 2

patent denied

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.

patent terminated or settled

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 terminated or settled

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 final

Exotec Product France SAS et al. v.Opex Corporation

· IPR2024-00850

The PTAB issued a Final Written Decision finding all 27 challenged claims unpatentable over prior art references Raizer and Hangzhou. The Board determined that an ordinary skilled artisan would have been motivated to combine the teachings of these references to solve known industry problems like congestion and inefficiency in automated material handling systems.

patent Final Written Decision

Texas Instruments Incorporated v.ParkerVision, Inc.

· IPR2024-00934

The PTAB found that dependent claims 19-21 were unpatentable over prior art references DeMaw and Macnally. The decision hinged on the petitioner's successful demonstration via computer simulation that routine circuit optimizations fell within the scope of the cited prior art.

patent instituted

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

· IPR2024-00327

Samsung challenged two claims of Advanced Coding Technologies' video coding patent based on obviousness (35 U.S.C. § 103). The PTAB found that the petitioner demonstrated a reasonable likelihood of prevailing, leading to institution of the IPR.

patent instituted

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 instituted

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

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 instituted

Texas Instruments Incorporated v.ParkerVision, Inc.

· IPR2024-00934

Texas Instruments (TI) successfully secured the institution of its IPR against ParkerVision, Inc., establishing a reasonable likelihood of prevailing on obviousness grounds. The Board found that TI's evidence was sufficient at this stage to overcome arguments regarding inherency and simulation data reliability.

patent instituted

Texas Instruments Incorporated v.ParkerVision, Inc.

· IPR2024-00935

Texas Instruments Incorporated successfully challenged ParkerVision's patent claims regarding RF signal processing via an IPR petition. The Board found a reasonable likelihood of prevailing on at least one claim, leading to the institution of the case for substantive analysis.

patent instituted

Texas Instruments Incorporated v.ParkerVision, Inc.

· IPR2024-00936

Texas Instruments (Petitioner) successfully secured institution of its Inter Partes Review petition against ParkerVision's patent (9118528). The Board found a reasonable likelihood of obviousness over combinations including Tayloe, TI Datasheet, and Macnally.

patent instituted

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 instituted

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 denied

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 denied

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

Samsung Electronics America, Inc. et al. v.Collision Communications, Inc.

· IPR2024-01250

Samsung Electronics' IPR petition against Collision Communications was denied by the PTAB, finding that the petitioner failed to demonstrate a reasonable likelihood of success. The Board specifically cited deficiencies in how Samsung addressed critical limitations within the challenged claims using the prior art.

patent denied

Samsung Electronics America, Inc. et al. v.Collision Communications, Inc.

· IPR2024-01248

The PTAB denied the IPR petition filed by Samsung against Collision Communications' patent covering Multiuser Detection (MUD) technology. The Board found the petitioner failed to demonstrate that the prior art adequately taught the claimed unique signal parameters, leading to a lack of particularity in the arguments.

patent instituted

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 denied

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

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

· IPR2024-00327

Samsung Electronics and Advanced Coding Technologies settled their IPR dispute, leading the PTAB to grant a joint motion to terminate the proceeding and treat the settlement as confidential. No merits were decided.

patent terminated or settled

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 all challenged claims unpatentable

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

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 instituted

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 terminated or settled

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 denied

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 denied

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

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

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.

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