Judge Profile

THU A. Dang

104 IP cases indexed. Covers patent matters.

Cases Presided Over

104 cases indexed | Page 2 of 4

patent final

Genius Sports v.SportsCastr Inc.

· IPR2024-01311

The PTAB found that claims 16-30 of the patent are unpatentable based on anticipation and obviousness grounds. The Board concluded that prior art references, specifically Ellis and Spivey, teach or suggest all limitations of several challenged claims related to live event streaming and data synchronization.

patent Final Written Decision

Apple Inc. v.Proxense, LLC

· IPR2024-01334

The PTAB issued a Final Written Decision finding that the challenged claims were unpatentable over prior art. The Board adopted Petitioner's construction of key terms like 'third party,' concluding that the claimed application is distinct from the trusted authority.

patent Final Written Decision

Apple Inc. v.Proxense, LLC

· IPR2024-01398

The PTAB found all nine challenged claims unpatentable over the combination of prior art references Giobbi '157, Giobbi '139, and Dua. The Board specifically rejected arguments regarding § 112(f) limitations, confirming that key terms like 'PDK' and 'RDC' convey definite structure to a POSITA.

patent final

Apple Inc. v.--

· IPR2024-01399

The PTAB found all challenged claims unpatentable in this final IPR decision. The Petitioner successfully demonstrated obviousness over prior art references (Buer, Dua, Kotola) for the hybrid device technology.

patent all challenged claims unpatentable

Apple Inc. v.Proxense, LLC

· IPR2025-00075

Apple Inc. successfully convinced the PTAB that Proxense, LLC’s patent claims were obvious over multiple combinations of prior art references (Dua, Giobbi '157, Kotola). The Board found all 20 challenged claims unpatentable under 35 U.S.C. § 103.

patent all challenged claims unpatentable

Webgroup Czech Republic, a.s. et al. v.DISH Technologies L.L.C. et al.

· IPR2025-00347

The PTAB found that all 16 claims of the patent are unpatentable over prior art references, Leaning and Gamble. The Board concluded that the combination of references rendered specific claims obvious, while other claims were anticipated by Leaning alone.

patent mixed - some claims cancelled, some upheld

Webgroup Czech Republic, a.s. et al. v.DISH Technologies L.L.C. et al.

· IPR2025-00348

The PTAB found that the patent claims were largely obvious over prior art references Leaning and Gamble in the field of Adaptive Bitrate Streaming. Specifically, Claims 2 and 9 were deemed obvious when combining Leaning with Gamble's TCP protocols.

patent instituted

Juniper Networks, Inc. v.Monarch Networking Solutions LLC

· IPR2024-00485

Juniper Networks successfully petitioned to institute IPR against Monarch Networking Solutions' patent 8451844, arguing the claims are obvious over prior art related to IPv6 transition.

patent denied

Aylo Freesites Ltd et al. v.DISH Technologies L.L.C. et al.

· IPR2024-00512

The PTAB denied institution for Aylo Freesites Ltd's IPR challenge against DISH Technologies L.L.C.'s patent (11470138). The denial was based on the Petitioner failing to demonstrate reasonable diligence in its prior art search and other General Plastic factors weighing against institution.

patent denied

Aylo Freesites Ltd et al. v.DISH Technologies L.L.C. et al.

· IPR2024-00513

The PTAB denied institution for Aylo Freesites Ltd's IPR petition against DISH Technologies L.L.C., citing a lack of reasonable diligence in the prior art search. The Board found that Petitioner failed to justify significant gaps in filing and knowledge regarding relevant references.

patent denied

Aylo Freesites Ltd et al. v.DISH Technologies L.L.C. et al.

· IPR2024-00514

The PTAB denied institution of the IPR petition filed by Aylo Freesites Ltd et al., citing a lack of diligence in prior art searching and procedural issues. The Board found that Petitioner failed to substantiate its search efforts, compounded by the existence of similar references cited during prosecution.

patent denied

Aylo Freesites Ltd et al. v.DISH Technologies L.L.C. et al.

· IPR2024-00515

The PTAB denied institution for Aylo Freesites Ltd et al.'s IPR against DISH Technologies L.L.C., citing failure to meet diligence requirements. The Board found that Petitioner failed to demonstrate reasonable diligence in searching for primary prior art, leading to a discretionary denial under General Plastic factors.

patent denied

Aylo Freesites Ltd et al. v.DISH Technologies L.L.C. et al.

· IPR2024-00516

The PTAB denied institution of the IPR petition against DISH Technologies L.L.C., finding that Aylo Freesites Ltd failed to demonstrate reasonable diligence in its prior art search. The Board relied on General Plastic factors, noting substantial similarities between the cited references and suggesting a skilled searcher would have found them earlier.

patent denied

Aylo Freesites Ltd et al. v.DISH Technologies L.L.C. et al.

· IPR2024-00517

The PTAB denied institution of an IPR petition filed by Aylo Freesites Ltd against DISH Technologies L.L.C., citing failure to demonstrate reasonable diligence in prior art search and tactical delays. The Board relied on General Plastic factors, finding the overlap between petitions was significant and Petitioner failed to justify its timing or discovery efforts regarding new references.

patent denied

Aylo Freesites Ltd et al. v.DISH Technologies L.L.C. et al.

· IPR2024-00518

The PTAB denied the IPR petition filed by Aylo Freesites Ltd against DISH Technologies L.L.C., citing a failure to demonstrate reasonable diligence in its prior art search and unfavorable General Plastic factors. The Board found that the Petitioner could not have reasonably avoided finding highly relevant references, leading to the denial of institution for all 16 claims at issue.

patent denied

Aylo Freesites Ltd et al. v.DISH Technologies L.L.C. et al.

· IPR2024-00519

The PTAB denied institution for Aylo Freesites Ltd's IPR challenge against DISH Technologies L.L.C.'s patent, citing failures under the General Plastic factors. The Board found that the petitioner lacked sufficient diligence in prior art searching and failed to adequately justify petition timing.

patent instituted

Meta Platforms, Inc. v.Sitnet, LLC

· IPR2024-00530

Meta Platforms, Inc. successfully secured institution of its Inter Partes Review against Sitnet's patent 9877345. The Board found that the petitioner met the likelihood standard for obviousness over multiple prior art references (Gage, Mitchell, Shida).

patent instituted

Meta Platforms, Inc. v.Sitnet, LLC

· IPR2024-00531

Meta Platforms successfully petitioned the PTAB to challenge Sitnet's patent (11470682) on grounds of obviousness over multiple prior art references. The Board granted institution, allowing Meta to proceed with its IPR challenge against claims 1-20.

patent instituted

Juniper Networks, Inc. v.Monarch Networking Solutions LLC

· IPR2024-00561

Juniper Networks successfully petitioned to institute IPR against Monarch Networking Solutions LLC regarding packet switching claims (Claims 1 and 6). The Board found sufficient evidence of obviousness over combinations of prior art references, including Wainner/Bocci and Kamite/Bocci.

patent instituted

Juniper Networks, Inc v.Monarch Networking Solutions LLC

· IPR2024-00565

Juniper Networks successfully petitioned to challenge Monarch Networking Solutions' patent on grounds of obviousness (35 U.S.C. § 103). The Board found a reasonable likelihood of success, leading to the institution of the IPR proceedings against claims 1 and 5-8.

patent instituted

Microsoft Corporation v.Proxense, LLC

· IPR2024-00573

Microsoft Corporation successfully petitioned for IPR against Proxense, LLC's patent (8646042) based on obviousness grounds. The Board granted institution after finding a reasonable likelihood of prevailing on multiple combinations of prior art references.

patent denied

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00704

The PTAB denied Vicor Corporation's request to institute IPR against Delta Electronics, Inc.'s patent 8711580, finding that the petitioner failed to demonstrate a reasonable likelihood of prevailing on its obviousness grounds.

patent denied

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00706

The PTAB denied institution of Vicor Corporation's IPR against Delta Electronics, Inc., finding Petitioner failed to demonstrate a reasonable likelihood of prevailing. The denial hinged on the argument that Petitioner relied on impermissible hindsight bias when combining prior art references for obviousness and anticipation grounds.

patent instituted

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00705

The PTAB institution decision for IPR2024-00705 found reasonable likelihood of success on claims 1-6, despite disputes over claim construction. The Petitioner argued that the combination of prior art references anticipated or rendered the patent obvious in the field of Power Converters/Circuit Boards.

patent denied

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00715

Vicor Corporation's IPR petition against Delta Electronics was denied by the PTAB, finding no reasonable likelihood of prevailing on grounds of anticipation or obviousness. The Board cited insufficient support for combining prior art references and noted that the petitioner employed impermissible hindsight.

patent instituted

Microsoft Corporation v.Proxense, LLC

· IPR2024-00775

Microsoft Corporation successfully petitioned to institute IPR against Proxense, LLC regarding biometric authentication claims. The Board found reasonable likelihood of prevailing on multiple claims based on obviousness over Burger and Robinson.

patent instituted

Google LLC v.Proxense, LLC

· IPR2024-00782

Google LLC successfully secured institution in the IPR against Proxense, LLC regarding hybrid device technology. The Board found a reasonable likelihood of prevailing on obviousness grounds (35 U.S.C. § 103) across multiple claims. This decision validates Google's position that the challenged patent is anticipated by prior art combinations.

patent instituted

Google LLC v.Proxense, LLC

· IPR2024-00783

Google LLC successfully argued that the challenged claims were obvious over multiple combinations of prior art (Dua, Giobbi ’157, Kotola, Buer). The PTAB instituted the IPR on all 20 challenged claims after rejecting the Patent Owner's narrow claim construction arguments. This sets up a significant trial phase regarding wireless security and digital key technology.

patent instituted

Google LLC v.Proxense, LLC

· IPR2024-00784

Google LLC successfully convinced the PTAB to institute IPR proceedings against Proxense, LLC's patent (10073960). The Board found a reasonable likelihood of success on multiple obviousness grounds, particularly regarding device authentication and secure memory.

patent instituted

Microsoft Corporation v.Proxense, LLC

· IPR2024-00846

Microsoft Corporation successfully convinced the PTAB that its biometric authentication claims were not obvious over prior art, leading to the institution of the IPR. The Board found a reasonable likelihood of prevailing on at least one challenged claim, allowing the case to proceed to trial.

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