Judge Profile

Michelle N. Ankenbrand

40 IP cases indexed. Covers patent matters.

Cases Presided Over

40 cases indexed | Page 1 of 2

patent denied

Samsung Electronics Co., Ltd. et al. v.Harbor Island Dynamic, LLC

· IPR2024-01403

The PTAB denied Samsung's petitions for Director Review of institution decisions in four IPRs, keeping the institution rulings intact.

patent denied

Samsung Electronics Co., Ltd. et al. v.Secure Wi-Fi LLC

· IPR2024-01366

The PTAB denied Samsung’s request for Director Review of the institution denial in IPR2024-01366, leaving the original denial in place. The order applies to four related IPRs involving Secure Wi‑Fi patents.

patent denied

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

· IPR2025-00002

The PTAB denied Samsung’s request for Director Review of the institution decisions in two IPRs against Netlist’s memory‑module patents, keeping the institution rulings in place.

patent denied

Google LLC et al. v.Cerence Operating Company et al.

· IPR2024-01465

The PTAB denied Google’s request for Director Review of the institution decisions in two IPRs challenging Cerence’s voice‑assistant patent, leaving the institution denials in place.

patent denied

Samsung Electronics Co., Ltd. et al. v.KP INNOVATIONS 2, LLC

· IPR2025-00101

The PTAB denied Samsung’s request for Director Review of the institution denial in IPR2025-00101, leaving the original decision unchanged.

patent denied

Google LLC et al. v.Mullen Industries LLC

· IPR2025-00019

The PTAB upheld the Director’s denial of institution in an IPR against Mullen Industries, finding that parallel district‑court litigation and weak petition merits justified the discretionary denial.

patent denied

Ericsson Inc. et al. v.Pegasus Wireless Innovation LLC

· IPR2025-00084

The PTAB denied Ericsson and co‑petitioners' request for Director Review of the institution decision in IPR2025-00084, leaving the institution of the challenge to Pegasus Wireless Innovation's patent intact.

patent denied

Google LLC et al. v.Mullen Industries LLC

· IPR2025-00021

Google and Samsung’s petition to institute an IPR against Mullen Industries’ patent was denied. The Patent Owner’s response emphasized the Director’s discretionary authority, the parallel district‑court trial, and weak petition merits.

patent denied

Samsung Electronics Co. Ltd. et al. v.OS - NEW HORIZON PERSONAL COMPUTING SOLUTIONS LTD.

· IPR2025-00613

The PTAB denied Samsung's request for Director Review of the institution decision in IPR2025-00613, leaving the IPR uninstituted.

patent denied

Samsung Electronics Co., Ltd. et al. v.Headwater Research LLC

· IPR2024-01396

The Director denied institution of an Inter Partes Review, vacating the Board's decision and favoring Headwater Research LLC over Samsung Electronics Co., Ltd. based on procedural timing factors.

patent denied

Samsung Electronics Co., Ltd. et al. v.Headwater Research LLC

· IPR2024-01407

The Director denied an Inter Partes Review (IPR) for Headwater Research, vacating a prior institution decision after reviewing the merits and procedural factors.

patent denied

Samsung Electronics Co., Ltd. et al. v.Mullen Industries LLC

· IPR2024-01472

The Director denied institution of an Inter Partes Review (IPR) in a dispute involving Samsung and Mullen Industries. The decision relied on the Fintiv factors, finding that procedural concerns outweighed the merits.

patent denied

Google LLC et al. v.Mullen Industries LLC

· IPR2025-00018

The Director denied institution of an Inter Partes Review (IPR) involving Google and Mullen Industries. The decision vacated the initial grant of institution based on a holistic review of Fintiv factors.

patent denied

Google LLC et al. v.Mullen Industries LLC

· IPR2025-00019

The Director denied institution of an IPR for Mullen Industries against Google LLC et al.'s patent 9204283, vacating the initial Board decision based on Fintiv factors.

patent denied

Google LLC et al. v.Mullen Industries LLC

· IPR2025-00021

The Director denied institution of IPR for Mullen Industries against Google LLC et al., vacating the prior decision. The denial was based on a holistic Fintiv analysis where procedural factors outweighed the merits.

patent denied

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00034

The PTAB denied institution of an IPR for Micron against Yangtze Memory Technologies because the petitioner failed to show a reasonable likelihood of success on any remaining claims after several key claims were disclaimed.

patent denied

Samsung Electronics Co., Ltd. et al. v.Headwater Research LLC

· IPR2024-00341

The PTAB denied Samsung and Google's request for Director Review of the Final Written Decision in IPR2024-00341 concerning patent 8,406,733.

patent denied

Microsoft Corporation v.Proxense, LLC

· IPR2024-00846

The PTAB denied Apple’s request for Director Review of the Final Written Decision in IPR2024-00233 concerning Patent 8,886,954. The Board found no merit to overturn the prior ruling.

patent denied

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

· IPR2024-01248

The PTAB denied Samsung's request for Director Review of the decision that refused to institute an IPR against Collision Communications' patent. The Board found no basis to overturn the institution denial.

patent denied

Samsung Electronics Co., Ltd et al. v.Secure Wi-Fi LLC

· IPR2024-01367

The PTAB denied Samsung’s request for Director Review of the institution decisions in four related IPRs, including IPR2024‑01367 covering Secure Wi‑Fi’s patent. The denial leaves the original institution outcomes in place.

patent denied

Google LLC et al. v.Cerence Operating Company et al.

· IPR2024-01464

The PTAB denied Google and co‑petitioners' request for Director Review of a denied institution decision concerning Cerence's in‑car voice‑assistant patent.

patent denied

Samsung Electronics Co., Ltd. et al. v.Harbor Island Dynamic, LLC

· IPR2024-01404

The PTAB denied Samsung's petitions for Director Review of institution decisions in four IPRs, leaving the institution rulings in place.

patent denied

Samsung Electronics Co., Ltd. et al. v.Harbor Island Dynamic, LLC

· IPR2024-01402

The PTAB denied Samsung’s petitions for Director Review of the institution decisions in four IPRs, including IPR2024-01402 covering patent 7,745,886, leaving the institution decisions unchanged.

patent denied

Samsung Electronics Co., Ltd. et al. v.Harbor Island Dynamic, LLC

· IPR2024-01405

Samsung's request for Director Review of PTAB institution decisions in four IPRs, including the 9,245,826 patent, was denied. The institution decisions therefore remain in effect.

patent denied

Google LLC et al. v.Mullen Industries LLC

· IPR2025-00018

The PTAB upheld its denial of institution in IPR2025-00018, finding that a parallel district‑court trial and weak petition merits justified the decision. Patent Owner’s response reinforces the Director’s discretionary authority under § 314(d).

patent denied

Ericsson Inc. et al. v.Pegasus Wireless Innovation LLC

· IPR2025-00083

The PTAB denied a Director Review request by Ericsson and other petitioners, leaving the institution of Pegasus Wireless Innovation's patent 10,638,463 intact.

patent denied

HighLevel, Inc. v.Etison LLC d/b/a ClickFunnels

· IPR2025-00234

The USPTO denied HighLevel, Inc.'s request for Director Review of the institution decision in IPR2025-00234, leaving the patent owned by ClickFunnels intact.

patent denied

HighLevel, Inc. v.Etison LLC d/b/a ClickFunnels

· IPR2025-00235

The PTAB denied HighLevel's request for Director Review of the institution decisions in two IPRs covering patents owned by ClickFunnels. The denial leaves the original institution outcomes unchanged.

patent denied

Google LLC et al. v.HEADWATER RESEARCH LLC

· IPR2026-00049

The PTAB Director Review denied institution of Samsung's IPR against Headwater's patent, citing the parallel proceeding's trial date as a decisive discretionary factor.

patent denied

Google LLC et al. v.HEADWATER RESEARCH LLC

· IPR2026-00137

The PTAB Director Review denied institution of the IPRs against Headwater Research’s patents, finding the parallel proceeding’s trial date too close to the expected final decision.

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