Judge Profile

THU A. Dang

104 IP cases indexed. Covers patent matters.

Cases Presided Over

104 cases indexed | Page 3 of 4

patent instituted

fuboTV Media Inc. et al. v.DISH Technologies L.L.C. et al.

· IPR2024-00918

fuboTV Media Inc. successfully petitioned the PTAB to institute an IPR against DISH Technologies L.L.C.'s patent, challenging claims related to adaptive bitrate streaming technology. The Board found a reasonable likelihood of prevailing on multiple grounds of obviousness over prior art references Leaning and Gamble. This decision moves the dispute toward a full trial.

patent instituted

fuboTV Media Inc. et al. v.DISH Technologies L.L.C. et al.

· IPR2024-00917

fuboTV Media Inc. successfully convinced the PTAB to institute an IPR against DISH Technologies L.L.C.'s adaptive bitrate streaming patent (10757156). The Board found that the petitioner showed a reasonable likelihood of prevailing on obviousness grounds over prior art references Leaning and Ala-Honkola. This sets up a high-stakes challenge to core technology in digital media streaming.

patent instituted

fuboTV Media Inc. et al. v.DISH Technologies L.L.C. et al.

· IPR2024-00919

fuboTV and Yanka Industries successfully petitioned to institute an IPR against DISH Technologies L.L.C.'s patent (8868772) covering Adaptive Bitrate Streaming technology. The Board found a reasonable likelihood of prevailing on obviousness grounds over prior art references Leaning and Gamble, leading to the institution of all 21 challenged claims.

patent instituted

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

· IPR2024-00940

Aylo Freesites Ltd successfully convinced the PTAB to institute proceedings against DISH Technologies L.L.C., arguing that key adaptive streaming claims are obvious over prior art, specifically WO 02/49343 A1. The Board found a material error in the Office's review of the evidence, allowing the IPR to proceed to trial.

patent denied

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.

patent instituted

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

· IPR2024-01130

BOE Technology Group Co., Ltd. successfully petitioned to institute an IPR against Optronic Sciences LLC's patent, leading to a trial decision. The Board found reasonable likelihood of prevailing regarding at least one challenged claim (5-9).

patent instituted

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

· IPR2024-01132

BOE Technology Group Co., LTD successfully petitioned to institute IPR proceedings against Optronic Sciences LLC's patent 7586121, challenging its validity based on anticipation and obviousness. The Board found a reasonable likelihood of success for the Petitioner across all challenged claims (1, 3, 4, 5, 7, 2, 6).

patent instituted

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

· IPR2024-01133

BOE Technology Group Co., LTD successfully petitioned to institute IPR proceedings against Optronic Sciences, LLC regarding display technology patents. The Board granted institution after a favorable claim construction of 'auxiliary electrode,' finding the petitioner demonstrated a reasonable likelihood of prevailing on key grounds.

patent instituted

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

· IPR2024-01134

BOE Technology Group Co., LTD successfully challenged five claims of Optronic Sciences LLC's '9406733 patent, demonstrating a reasonable likelihood of prevailing on unpatentability grounds. The Board issued an institution decision after construing the key term 'auxiliary electrode' to include bus lines and wires.

patent instituted

LENOVO (UNITED STATES) INC. et al. v.Intellectual Ventures I LLC et al.

· IPR2024-01225

Lenovo successfully petitioned the PTAB to institute IPR proceedings against a patent owned by University of Rochester/Intellectual Ventures regarding Multiple Clock Domain Architectures (MCD). The Board found sufficient evidence that various combinations of prior art render multiple claimed features obvious under 35 U.S.C. § 103.

patent denied

LENOVO (UNITED STATES) INC. et al. v.Intellectual Ventures II

· IPR2024-01226

LENOVO failed its IPR challenge against Intellectual Ventures II's patent covering integrated circuit calibration, as the Board found Petitioner could not overcome key limitations of the claims using prior art. The denial centered on insufficient accounting for a three-dimensional 'valid operation range.'

patent denied

TCL Electronics Holdings Ltd. et al. v.Intellectual Ventures I LLC

· IPR2024-01245

TCL Electronics Holdings Ltd. failed to overcome obviousness challenges in an IPR before the PTAB, resulting in the denial of its petition. The Board found that Petitioner did not present a compelling or meritorious challenge despite analyzing multiple grounds against various prior art references.

patent denied

Google LLC v.--

· IPR2024-01318

The PTAB denied Google's attempt to file a second IPR against PROXENSE's patent because the Board had already instituted an earlier review.

patent denied

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 denied

Google LLC v.--

· IPR2024-01320

Google LLC's attempt to challenge a patent via IPR was denied by the PTAB because another, earlier petition challenging the same patent had already been instituted.

patent denied

Microsoft Corporation v.Proxense, LLC

· IPR2024-01326

The PTAB denied Microsoft's request to institute Inter Partes Review against Proxense's patent because a related review was already underway.

patent instituted

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 instituted

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 terminated or settled

SAP America, Inc. v.ISIX IP LLC

· IPR2024-00615

SAP America and ISIX IP reached a settlement, leading to a joint motion that terminated the inter partes review of patent 6,308,178. The Board granted the termination and ordered the settlement agreement to remain confidential.

patent terminated or settled

Vicor Corporation v.Delta Electronics, Inc.

· IPR2024-00705

Vicor and Delta Electronics jointly moved to terminate IPR2024-00705 after reaching a settlement. The Board granted the motion, treating the settlement agreement as confidential business information.

patent instituted

Google LLC v.Proxense, LLC

· IPR2024-00783

Apple was granted a PTAB order instituting inter partes review of all 20 claims of the ‘289 patent and joining the ongoing Google IPR. The Board found the petition identical to the earlier Google filing and approved joinder without adding new grounds.

patent mixed - some claims cancelled, some upheld

fuboTV Media Inc. v.DISH Technologies L.L.C. et al.

· IPR2024-00901

The PTAB held that claims 1, 9, 11‑19, and 21 of DISH’s ’798 adaptive‑bitrate streaming patent are obvious over prior art, rendering them unpatentable, while the remaining challenged claims survived.

patent mixed - some claims cancelled, some upheld

fuboTV Media Inc. v.DISH Technologies L.L.C. et al.

· IPR2024-00903

The PTAB held that claims 1–3,5,16–20,22,26–28,30 of U.S. Patent 10,469,554 are obvious over prior art (Ogdon, Allen, and SMIL 2.0) and thus unpatentable, while claims 4,7,8,10–14,23–25 remain valid.

patent mixed - some claims cancelled, some upheld

fuboTV Media Inc. v.DISH Technologies L.L.C. et al.

· IPR2024-00904

The PTAB held that 17 of the 25 challenged claims of DISH’s adaptive‑bitrate streaming patent are obvious over prior art, while 8 claims survive. The decision affirms most of fuboTV’s objections but leaves several claims intact.

patent mixed - some claims cancelled, some upheld

fuboTV Media Inc. v.DISH Technologies L.L.C. et al.

· IPR2024-00905

The PTAB held that many claims of the ’555 adaptive‑rate streaming patent are obvious over prior art (Ogdon, Allen, and SMIL 2.0), rendering them unpatentable, while other claims remain valid.

patent instituted

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 terminated or settled

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 all challenged claims unpatentable

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 all challenged claims unpatentable

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 terminated or settled

Google LLC v.Proxense, LLC

· IPR2024-00784

Google and Proxense settled their dispute, leading the PTAB to terminate the IPR over Proxense’s Bluetooth proximity patent.

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 →