Judge Profile

THU A. Dang

62 IP cases indexed. Covers patent matters.

Cases Presided Over

62 cases indexed | Page 1 of 3

patent all challenged claims unpatentable · Dec 11, 2025

Meta Platforms, Inc. v.SitNet, LLC

· IPR2026-00111

Meta Platforms successfully challenged SitNet’s ’682 patent covering situational networks. The PTAB found all 20 claims unpatentable as obvious over prior art references Burfeind and Crowley. The patent owner did not respond, leaving the petitioner’s arguments unopposed.

patent all challenged claims unpatentable · Oct 11, 2025

Meta Platforms, Inc. v.SitNet, LLC

· IPR2026-00112

Meta Platforms successfully challenged all twenty claims of SitNet’s ’682 patent covering a situational network and roll‑call system. The Board held the claims obvious over the Burfeind and Crowley references under 35 U.S.C. §103. No claim construction was required.

patent instituted · Jul 2, 2025

Apple Inc. v.Proxense, LLC

· IPR2025-00562

Apple Inc.'s IPR challenge against Proxense, LLC was instituted by the PTAB, focusing on obviousness over multiple prior art references. The Board found sufficient evidence that Apple demonstrated a reasonable likelihood of prevailing on its unpatentability assertions regarding digital key and biometric security systems.

patent all challenged claims unpatentable · Jun 11, 2025

Meta Platforms, Inc. v.SitNet, LLC

· IPR2026-00100

Meta Platforms successfully challenged SitNet’s ’682 patent covering situational networks. The PTAB found all twenty claims unpatentable as obvious over prior art. The decision finalizes the IPR with a sweeping cancellation.

patent instituted · May 18, 2025

OnePlus Technology (Shenzhen) Co., Ltd. et al. v.Pantech Corporation

· IPR2025-00756

The PTAB issued an institution decision in the OnePlus vs. Pantech IPR, finding reasonable likelihood that certain claims are unpatentable under 35 U.S.C. § 103. The Board's analysis hinged on detailed claim construction and the obviousness arguments presented against various 3GPP specifications and industry standards like Ericsson.

patent terminated or settled · Apr 6, 2025

Apple Inc. v.Advanced Coding Technologies LLC

· IPR2025-01103

Apple and Advanced Coding Technologies reached a settlement, leading to the termination of an inter‑ partes review of Patent 8,230,101 B2. The Board granted the joint motion to end the proceeding and ordered the settlement documents to be kept confidential.

patent instituted · Apr 6, 2025

Apple Inc. v.Advanced Coding Technologies LLC

· IPR2025-01103

Apple Inc. successfully petitioned to institute an IPR against Advanced Coding Technologies LLC's patent (8230101), challenging claims 7-12 based on obviousness over multiple prior art combinations. The Board found that the Petition met the reasonable likelihood standard, particularly regarding how Lamkin discloses key limitations related to content location and tree structure.

patent instituted · Dec 20, 2024

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

· IPR2025-00347

The PTAB instituted inter partes review of DISH Technologies' adaptive‑bitrate streaming patent (claims 1‑16) and granted joinder to Webgroup Czech Republic and NKL Associates, aligning the case with the earlier fuboTV/MasterClass IPR.

patent mixed - some claims cancelled, some upheld · Dec 20, 2024

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 all challenged claims unpatentable · Dec 20, 2024

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 denied · Dec 7, 2024

BOE Technology Group Co., LTD v.Optronic Sciences LLC

· IPR2024-01132

The PTAB denied Optronic Sciences LLC’s request to file a motion for reconsideration of the institution decision in IPR2024-01132. The Board found no extraordinary circumstances and applied the new Director’s Memorandum, leaving the institution in place.

patent terminated or settled · Dec 7, 2024

BOE Technology Group Co., Ltd. v.Optronic Sciences LLC

· IPR2024-01131

BOE Technology Group and Optronic Sciences settled their IPR dispute over U.S. Patent 7,226,801 B2. The Board terminated the proceeding by joint motion, citing good cause and confidentiality considerations.

patent Final Written Decision · Dec 7, 2024

BOE Technology Group Co., LTD v.Optronic Sciences LLC

· IPR2024-01132

The Board found all seven challenged claims unpatentable, rejecting the patent owner's narrow construction of 'passivation layer.' The petitioner successfully demonstrated that combining prior art references (Anzai and Yamazaki) taught or rendered obvious the claimed invention in OLED devices.

patent denied · Oct 16, 2024

Apple Inc. v.Proxense, LLC

· IPR2024-01486

The PTAB denied Apple Inc.'s request to institute an IPR against Proxense's patent 8352730. The Board found that Apple failed to demonstrate a reasonable likelihood of success, particularly concerning the justification for filing multiple petitions.

patent instituted · Sep 13, 2024

Apple Inc. v.--

· IPR2024-01399

Apple’s petition to review Proxsense’s U.S. Patent 8,646,042 was instituted, and the Board approved Apple’s motion to join the parallel Google IPR. The decision rests on multiple prior‑art combinations showing a reasonable likelihood of unpatentability.

patent final · Sep 13, 2024

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 Final Written Decision · Sep 13, 2024

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 instituted · Sep 2, 2024

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 denied · Aug 28, 2024

BOE Technology Group Co., LTD v.Optronic Sciences, LLC

· IPR2024-01315

The PTAB denied Optronic Sciences' request to file a motion for reconsideration of the institution decision in IPR2024-01315. The Board found no extraordinary circumstances and noted that the deadline for Director Review had passed. The institution of the IPR therefore remains in effect.

patent Final Written Decision · Aug 23, 2024

Genius Sports Ltd. v.SportsCastr Inc.

· IPR2024-01310

The PTAB issued a Final Written Decision finding all 15 challenged claims unpatentable as obvious over combinations of prior art. Petitioner successfully demonstrated that combining Ellis and Spivey taught an 'event socket' to improve latency, while other grounds were also met by the combination of Ellis, Spivey, and Herzog.

patent denied · Aug 22, 2024

Google LLC v.--

· IPR2024-01319

Google LLC's attempt to challenge patent 9,679,289 B1 was denied by the PTAB because a prior inter partes review (IPR) of the same patent had already been instituted.

patent Final Written Decision · Aug 22, 2024

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 · Aug 22, 2024

Genius Sports Ltd. v.SportsCastr Inc.

· IPR2024-01308

The PTAB issued a Final Written Decision finding all nine challenged claims unpatentable over combinations of prior art references (Ellis, Spivey, Herzog). The Board relied heavily on the combination of Ellis and Spivey to establish obviousness for Claim 1, particularly regarding low-latency data delivery via uniquely addressable event sockets.

patent final · Aug 22, 2024

Genius Sports Ltd. v.SportsCastr Inc.

· IPR2024-01305

The PTAB found claims 1-7 unpatentable over a combination of Ellis, Spivey, and Herzog, concluding that the claimed live video streaming system was obvious to a POSA. The Board specifically held that Spivey's topic queues satisfy the definition of an 'event socket.'

patent denied · Aug 20, 2024

Microsoft Corporation v.Proxense, LLC

· IPR2024-01327

The PTAB denied Microsoft's request to institute Inter Partes Review (IPR) against Proxense's patent 8,886,954. The denial was based on a procedural condition that required prior non-institution in a related proceeding.

patent instituted · Aug 2, 2024

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 final · Aug 2, 2024

Juniper Networks, Inc. v.Monarch Networking Solutions LLC

· IPR2024-00561

The PTAB issued a Final Written Decision finding that claims 1 and 6 of the patent were unpatentable over prior art references Wainner and Bocci. The Board agreed with the Petitioner's argument that combining these references rendered the claimed method obvious, particularly regarding shared link functionality in pseudo-wires.

patent Final Written Decision · Jul 15, 2024

Kia Corporation et al. v.Emerging Automotive LLC

· IPR2024-01167

The PTAB found that the majority of claims (1-5 and 7-21) in the '659 patent were unpatentable based on combinations of prior art references. The Board specifically agreed with Petitioner's argument that Kleve combined with Hatton rendered independent claim 1 obvious, finding a reasonable expectation of success for POSITA.

patent mixed - some claims cancelled, some upheld · May 21, 2024

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

· IPR2024-00940

The PTAB held that 17 of the 25 challenged claims of DISH’s ’680 adaptive‑bitrate streaming patent were obvious over Ogdon and Allen, while 8 claims remained patentable.

patent denied · May 21, 2024

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

· IPR2024-00941

The PTAB denied Aylo Freesites Ltd's petition to challenge DISH Technologies L.L.C.'s streaming patent (11991234), citing the unnecessary burden created by a concurrent, comprehensive petition.

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