Judge Profile

Kevin C. Trock

82 IP cases indexed. Covers patent matters.

Cases Presided Over

82 cases indexed | Page 1 of 3

patent instituted · Nov 7, 2025

Spotify AB et al. v.Tijerino, Manuel

· IPR2025-01280

Spotify USA Inc. successfully challenged 17 claims of the '9146925 patent based on obviousness (35 U.S.C. § 103). The PTAB preliminarily found that the combination of prior art references—Laut, Kincaid, and Bongiovi—renders the claimed digital jukebox system obvious to a Person of Ordinary Skill in the Art.

patent all challenged claims unpatentable · Oct 27, 2025

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

· IPR2026-00017

The PTAB held that claims 1‑15 of Netlist’s U.S. Patent 9,824,035 are unpatentable. Samsung and Micron successfully argued that the claims are obvious over the Perego memory‑module disclosure combined with the JEDEC DDR2 standard.

patent terminated or settled · Oct 1, 2025

LG Electronics, Inc. et al. v.Maxell, LTD.

· IPR2025-00444

LG Electronics and Maxell settled their dispute over U.S. Patent 8,736,729, leading the PTAB to dismiss the IPR before it was instituted.

patent all challenged claims unpatentable · Aug 29, 2025

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

· IPR2025-01431

Samsung and its affiliates successfully challenged all 15 claims of Netlist’s ’417 memory‑module patent in an IPR, finding them obvious over Perego and JEDEC DDR2 standards. The Board adopted the petitioner’s claim constructions and dismissed the patent owner’s defenses.

patent all challenged claims unpatentable · Aug 25, 2025

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

· PGR2025-00071

The PTAB held that Samsung and its co‑petitioners proved all 15 claims of Netlist’s ’417 memory‑module patent obvious over the Perego disclosure and the JEDEC DDR2 standard, rendering the claims unpatentable.

patent all challenged claims unpatentable · Aug 25, 2025

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

· IPR2025-01402

In IPR2025-01402 the PTAB held that all 15 claims of Netlist’s ’417 patent are unpatentable as obvious over the Perego memory‑module disclosure and the JEDEC DDR2 standard. The decision clears the way for Samsung’s memory products.

patent mixed - some claims cancelled, some upheld · Jul 25, 2025

Samsung Electronic Co. Ltd. et al. v.Maxell, LTD.

· IPR2025-01307

The PTAB found Samsung’s challenge successful for 11 of the 15 claims of Maxell’s ’815 patent, deeming them obvious over multiple prior‑art references, while four claims remained upheld.

patent all challenged claims upheld · Jul 25, 2025

Samsung Electronic Co. Ltd. et al. v.Maxell, LTD.

· IPR2025-01307

Samsung’s inter partes review of Maxell’s 11,017,815 B2 video‑profile patent ended with the PTAB finding none of the challenged claims unpatentable, preserving Samsung’s product roadmap.

patent all challenged claims unpatentable · Jul 25, 2025

Samsung Electronic Co. Ltd. et al. v.Maxell, LTD.

· IPR2025-01307

Samsung successfully challenged Maxell’s ’086 patent, leading the PTAB to find all asserted claims unpatentable as obvious. The Board relied on a combination of prior‑art references covering touch‑screen input methods.

patent all challenged claims unpatentable · Jul 25, 2025

Samsung Electronic Co. Ltd. et al. v.Maxell, LTD.

· IPR2025-01307

The PTAB held that Samsung’s challenge to Maxell’s 10,176,848 patent succeeded. All seven challenged claims—including those covering face‑recognition‑based chapter selection and a recording‑reproducing mode—were found obvious over Nozaki, Haitani, Graham and Kim.

patent all challenged claims unpatentable · Jul 11, 2025

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

· PGR2026-00001

Samsung and Micron successfully challenged Netlist’s ’215 memory‑module patent in an IPR, leading the PTAB to find all 29 claims unpatentable as obvious over Perego and the JEDEC DDR2 standard.

patent all challenged claims unpatentable · Jul 11, 2025

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

· PGR2026-00001

In IPR2023‑00454, the PTAB held that all 15 claims of Netlist’s U.S. Patent 11,093,417 are obvious over the combined teachings of the Perego memory‑module disclosure and the JEDEC DDR2 standard, rendering the claims unpatentable.

patent all challenged claims unpatentable · Jul 11, 2025

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

· IPR2026-00018

Samsung and Micron successfully challenged Netlist’s U.S. Patent 11,093,417, leading the PTAB to find all fifteen claims unpatentable based on obviousness over the Perego disclosure and JEDEC DDR2 standards.

patent all challenged claims unpatentable · Jul 11, 2025

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

· IPR2026-00018

Samsung and Micron successfully challenged Netlist’s 9,858,215 B1 memory‑module patent. The PTAB found all 29 claims obvious over Perego and the JEDEC DDR2 standard, rendering them unpatentable.

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 all challenged claims unpatentable · Jun 13, 2025

Google LLC v.Valtrus Innovations Limited et al.

· IPR2025-01157

The PTAB held that Google’s challenge to Valtrus’s 7,748,005 patent succeeded, finding all twenty claims unpatentable for lack of written‑description support and obviousness over the McCarthy application and Gien micro‑kernel reference.

patent all challenged claims unpatentable · Jun 13, 2025

Google LLC v.Valtrus Innovations Limited et al.

· IPR2025-01157

The PTAB held that Google proved all 21 claims of Valtrus’s ’454 patent are obvious over Colby, Eilert, and Jindal, rendering the entire patent unpatentable.

patent all challenged claims upheld · Jun 13, 2025

Google LLC v.Valtrus Innovations Limited et al.

· IPR2025-01157

Google’s IPR against Valtrus’s 6,728,704 B2 patent was decided with all 23 challenged claims upheld. The Board found the prior‑art Bushee not anticipatory and rejected obviousness arguments over Voorhees, Tso, and Koppel.

patent all challenged claims unpatentable · Jun 13, 2025

Google LLC v.Valtrus Innovations Limited et al.

· IPR2025-01157

The PTAB held that Google’s obviousness challenge succeeded, finding all 19 claims of Valtrus’s ’764 patent unpatentable over the Li and Edlund prior‑art references. The decision also denied Google’s motion to exclude exhibits and granted motions to seal.

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 · Mar 1, 2025

Amazon.com et al. v.NL Giken Inc.

· IPR2025-00407

Amazon and NL Giken settled their inter partes review dispute before trial, leading the PTAB to terminate the proceeding and keep the settlement confidential.

patent terminated or settled · Mar 1, 2025

AT&T Services, Inc. et al. v.Adaptive Spectrum and Signal Alignment, Inc.

· IPR2025-00395

Nokia and Adaptive Spectrum reached a settlement that led to the termination of an IPR challenge to Patent 7,428,669 before any trial was instituted. The Board granted the joint motion to terminate and kept the settlement confidential.

patent terminated or settled · Feb 1, 2025

International Business Machines Corporation v.Croga Innovations Ltd.

· IPR2025-00379

IBM and Croga Innovations settled their IPR dispute over patent 11,178,104. The Board granted the joint motion to terminate, dismissing the petition before a trial was instituted.

patent terminated or settled · Jan 21, 2025

LG Electronics, Inc. et al. v.Maxell, Ltd.

· IPR2025-00519

LG Electronics and Maxell settled their dispute over U.S. Patent 7,421,188 B2. The parties filed a joint motion to terminate the IPR, and the Board granted the termination before instituting a trial.

patent terminated or settled · Jan 21, 2025

LG Electronics Inc. et al. v.Maxell, Ltd.

· IPR2025-00518

LG Electronics and Maxell settled their dispute over U.S. Patent 6,856,760 B2, leading the PTAB to terminate the IPR before a trial was instituted.

patent terminated or settled · Jan 21, 2025

LG Electronics, Inc. et al. v.Maxell, LTD.

· IPR2025-00520

LG Electronics and Maxell settled their inter partes review of U.S. Patent 10,244,284 B2, leading the PTAB to terminate the proceeding before a trial was instituted.

patent terminated or settled · Jan 17, 2025

AT&T Services, Inc. et al. v.Adaptive Spectrum and Signal Alignment, Inc.

· IPR2025-00451

AT&T and Nokia jointly moved to terminate IPR 2025‑00451 against Adaptive Spectrum's patent 9,954,631, filing a confidential settlement agreement. The PTAB granted the termination, ending the proceeding before any trial was instituted.

patent terminated or settled · Dec 31, 2024

LG Electronics, Inc. et al. v.Maxell, LTD.

· IPR2025-00392

LG Electronics and Maxell settled their dispute over U.S. Patent 8,339,493 B2. The parties jointly moved to terminate the IPR before the Board could institute a trial, and the settlement agreement was ordered kept confidential.

patent terminated or settled · Dec 30, 2024

LG Electronics Inc. et al. v.Maxell, LTD.

· IPR2025-00394

LG Electronics and Maxell settled their IPR dispute over U.S. Patent 10,199,072 B2. The Board granted a joint motion to terminate the proceeding and kept the settlement agreement confidential.

Arctic Invent — IP Strategy

Facing a similar IP matter?

Arctic Invent is a specialist IP firm with deep litigation expertise across India, EU, US, and UK. Our team uses data-driven strategy to build stronger cases.

Consult our team →