Judge Profile

Michael T. Cygan

82 IP cases indexed. Covers patent matters.

Cases Presided Over

82 cases indexed | Page 3 of 3

patent instituted

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

· IPR2025-00228

Micron Technology successfully secured the institution of an IPR against Yangtze Memory Technologies' patent 11,101,276 B2. The Board found a reasonable likelihood that Micron can prove obviousness over prior art references like Kim and Fang.

patent denied

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

· IPR2025-00244

Micron Technology's IPR petition against Yangtze Memory Technologies was denied by the PTAB. The Board found that Micron failed to demonstrate a reasonable likelihood of prevailing on the merits, specifically regarding obviousness over prior art Costa in 3D memory technology.

patent denied

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

· IPR2025-00245

The PTAB denied institution of an IPR challenge brought by Micron Technology against Yangtze Memory Technologies regarding 3D memory device patents. The Board found the Petitioner failed to meet its burden of showing a reasonable likelihood of prevailing over prior art references.

patent instituted

Google LLC v.Sandpiper CDN, LLC

· IPR2025-00826

Google LLC successfully had its IPR institution decision upheld, advancing the case against Sandpiper CDN, LLC's patent 9021112. The Board found that Petitioner showed a reasonable likelihood of prevailing on at least one challenged claim.

patent instituted

Google LLC v.Sandpiper CDN, LLC

· IPR2025-00860

Google LLC initiated an IPR against Sandpiper CDN, LLC's patent (10924573) covering Content Delivery Networks. The Board instituted the case, finding a reasonable likelihood that Google could prevail under 35 U.S.C. § 103 based on obviousness over prior art combinations.

patent terminated or settled

DELL INC. et al. v.AX Wireless, LLC et al.

· IPR2024-00685

Dell and AX Wireless settled eight inter partes review proceedings before they were instituted. The Board granted the parties' joint motions to terminate and treated the settlement agreement as confidential.

patent terminated or settled

DELL INC. et al. v.AX Wireless, LLC et al.

· IPR2024-00686

Dell and AX Wireless settled their dispute, leading to the termination of eight inter partes review proceedings covering patents on wireless networking. The Board granted the parties' joint motions to terminate and treated the settlement agreements as confidential.

patent denied

Samsung Electronics Co., Ltd. et al. v.Anonymous Media Research Holdings, LLC

· IPR2024-01350

Samsung Electronics Co., Ltd.'s attempt to invalidate Anonymous Media Research Holdings' content identification patent was denied by the PTAB. The Board found that the patent description sufficiently broad to cover video data samples, defeating the obviousness challenge over prior art references.

patent denied

Samsung Electronics Co., Ltd. et al. v.Anonymous Media Research Holdings, LLC

· IPR2024-01349

Samsung Electronics' attempt to invalidate claims in the '849 patent failed at the PTAB. The Board denied institution, finding that the patent owner successfully established priority dating back to 2005, rendering the cited prior art ineffective against the challenged claims.

patent denied

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

· IPR2025-00294

The PTAB denied Micron's IPR petition against Yangtze Memory because the patent owner had successfully filed a statutory disclaimer covering all challenged claims related to 3D memory devices.

patent instituted

Google LLC v.Sandpiper CDN, LLC

· IPR2025-00806

Google LLC successfully petitioned to institute an IPR against Sandpiper CDN, LLC regarding patent 8645517. The Board found sufficient evidence of obviousness under 35 U.S.C. § 103 based on combinations of prior art references. This moves the dispute into a trial phase at the PTAB.

patent instituted

Google LLC v.Sandpiper CDN, LLC

· IPR2025-00969

Google LLC successfully convinced the PTAB to institute IPR against Sandpiper CDN's patent 8478903, asserting that the core technology was obvious over prior art like Kenner.

patent instituted

Google LLC v.Sandpiper CDN, LLC

· IPR2025-01010

Google LLC successfully convinced the PTAB that its claims against Sandpiper CDN, LLC were likely unpatentable under both anticipation (102) and obviousness (103). The Board granted trial, finding a reasonable likelihood of prevailing on multiple grounds.

patent terminated or settled

DELL INC. et al. v.AX Wireless, LLC et al.

· IPR2024-00681

Dell and AX Wireless settled eight IPRs before they were instituted, leading the PTAB to terminate the proceedings and keep the settlement agreements confidential.

patent terminated or settled

DELL INC. et al. v.AX Wireless, LLC et al.

· IPR2024-00683

Dell and AX Wireless settled eight inter partes review proceedings covering wireless patents. The Board granted termination motions and treated the settlement agreements as confidential.

patent terminated or settled

DELL INC. et al. v.AX Wireless, LLC et al.

· IPR2024-00684

Dell and AX Wireless settled their dispute, leading the PTAB to terminate eight inter partes review proceedings, including the IPR challenging patent 10,291,449 B2, before any trial was instituted.

patent terminated or settled

DELL INC. et al. v.AX Wireless, LLC et al.

· IPR2024-00708

Dell and AX Wireless settled their inter partes review dispute over U.S. Patent 11,212,146. The Board granted the parties' joint motions to terminate the IPRs and treated the settlement agreement as confidential.

patent terminated or settled

HARMAN INTERNATIONAL INDUSTRIES, INC. v.ST CasesTech, LLC et al.

· IPR2024-01299

Harman and CasesTech settled their IPR dispute, filing joint motions that led the Board to terminate the proceeding before trial. The settlement agreement was deemed confidential, and counsel withdrawals were approved.

patent terminated or settled

Samsung Electronics Co., Ltd. et al. v.Anonymous Media Research Holdings, LLC

· IPR2024-01348

Samsung Electronics and Anonymous Media Research Holdings settled their IPR before institution, dismissing the petition and the patent with prejudice.

patent terminated or settled

HARMAN INTERNATIONAL INDUSTRIES, INC. v.ST CasesTech, LLC et al.

· IPR2024-01300

Harman and CasesTech settled their IPR dispute before trial, leading the Board to terminate the proceeding and treat the settlement agreement as confidential.

patent terminated or settled

Microsoft Corporation v.EyesMatch Ltd.

· IPR2025-00296

Microsoft and EyesMatch settled their IPR dispute over U.S. Patent 8,982,110 B2. The Board granted a joint motion to terminate the proceeding and sealed the settlement agreement as confidential.

patent instituted

Microsoft Corporation v.EyesMatch Ltd.

· IPR2025-00297

The PTAB instituted an inter partes review of Microsoft’s challenge to all 18 claims of EyesMatch’s ’109 patent and granted Microsoft’s motion to join the earlier IPR2024‑00856, consolidating the proceedings.

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