Court / venue
Patent Trial and Appeal Board (PTAB)
75 tracked cases.
Court overview
USPTO Patent Trial and Appeal Board (PTAB)
Court Overview
The Patent Trial and Appeal Board (PTAB) is an administrative law body within the United States Patent and Trademark Office (USPTO). Created by the America Invents Act (AIA) in 2012, it replaced the former Board of Patent Appeals and Interferences. The PTAB is not an Article III court and its decisions are appealable to the U.S. Court of Appeals for the Federal Circuit. Physically, its administrative patent judges (APJs) are located at the USPTO headquarters in Alexandria, Virginia, and in regional offices. The PTAB's primary functions are to hear appeals from examiner decisions in patent applications and to adjudicate post-grant challenges to issued patents, making it a high-volume forum for patent validity disputes.
Patent Docket Reputation
The PTAB is known for its fast-paced proceedings, often referred to as a "rocket docket" compared to district court litigation. AIA trial proceedings, such as inter partes review (IPR), are designed to be faster and less expensive alternatives to traditional litigation. By statute, the PTAB must issue a final written decision in an IPR within 12 months of institution, with a possible six-month extension for good cause. This timeline is significantly shorter than the median time-to-trial in most active patent litigation districts. The PTAB has a reputation for being a challenging forum for patent owners. Once a trial is instituted, a high percentage of challenged claims in final written decisions are found unpatentable. Statistics show that in instituted IPRs, a significant majority of claims are ultimately canceled. This is partly because, unlike in district court, there is no presumption of validity for the challenged patent, and the petitioner's burden of proof is a "preponderance of the evidence" rather than the higher "clear and convincing evidence" standard.
Local Rules and Procedures
Practice before the PTAB is governed by a specific set of procedural rules and a Trial Practice Guide, distinct from the Federal Rules of Civil Procedure. The most common proceeding is the inter partes review (IPR), where a third party can challenge the validity of patent claims based on prior art consisting of patents or printed publications. The process begins with the filing of a detailed petition. The patent owner may file a preliminary response, after which the PTAB decides whether to institute a trial, based on a "reasonable likelihood" that the petitioner will prevail on at least one challenged claim. Discovery is more limited and streamlined than in district court. Other specialized proceedings include post-grant review (PGR), which allows for a broader range of invalidity challenges but must be filed within nine months of a patent's issuance. Recent rule proposals and procedural changes, including those related to discretionary denials of petitions (the Fintiv factors) and Director review of decisions, are frequent subjects of discussion and updates.
Notable Cases and Judges
The PTAB handles thousands of petitions annually, with many proceedings running in parallel to high-stakes district court litigation. The provided list of tracked cases, such as Keysight Technologies, Inc. v. Centripetal Networks, LLC and Amazon.com, Inc. v. AlmondNet, Inc., reflects the PTAB's central role in modern patent disputes. The board's decisions are often appealed, and landmark rulings from the Federal Circuit and Supreme Court, such as United States v. Arthrex, Inc., have had significant impacts on PTAB practice and the constitutional status of its judges. The PTAB is composed of over 100 Administrative Patent Judges (APJs), who are required to have both legal and technical expertise. APJs are typically assigned to three-judge panels to preside over AIA trials. Notable figures include the Chief and Vice Chief Administrative Patent Judges who oversee the Board's operations. Due to the panel-based system and the large number of judges, individual APJs are less frequently singled out in public analysis than federal district judges, with attention more often focused on the Board's overall trends and precedential decisions.
Judges
No judge data recorded for the 75 cases in this court yet. Cases picked up via the patent-ingest cron sometimes land without a presiding judge; the field fills in when structured docket data arrives.
Cases (75)
- Alvotech v. Regeneron Pharmaceuticals, Inc.· Pending - Instituted
- Amazon.com, Inc. v. AlmondNet, Inc.2025-03-10· Pending
- Apotex Inc. v. Soleno Therapeutics Inc.2026-04-21· Pending
- Apple Inc. et al. v. VirnetX Inc.· Final Written Decision
- Apple Inc. v. HBCU Messaging US LP· Pending
- Apple Inc. v. One-E-Way, Inc.2020-12-04· Not Instituted
- Apple Inc. v. Topwire LLC2026-03-16· Pending
- Aquestive Therapeutics, Inc. v. Iono Pharma, LLC2025-05-16· Denied
- Aylo Freesites Ltd. v. DISH Technologies LLC· Terminated
- Biocon Biologics, Inc. et al. v. Regeneron Pharmaceuticals, Inc.2026-04-02· Pending
- BOE Technology Group Co Ltd v. Samsung Display Co Ltd2025-09-15· settled
- Cirrus Logic Inc. et al. v. Greenthread, LLC2023-10-27· Terminated
- Clean Chemistry, Inc. v. Enviro Tech Chemical Services, Inc.2025-08-26· Discretionary Denial
- Collective Minds Gaming Co. Ltd. v. Ironburg Inventions Ltd.· Settled
- Collective Minds Gaming Co. Ltd. v. Ironburg Inventions Ltd.2018-01-03· Terminated / Settled
- Cytek Biosciences, Inc. v. Beckman Coulter, Inc.· Terminated
- Dell Technologies Inc. et al. v. Greenthread, LLC2023-01-27· Terminated
- Dr. Falk Pharma GmbH v. Ellodi Pharmaceuticals, L.P.2025-09-19· Pending
- FedEx Corporation et al. v. Valtrus Innovations Ltd.· Ongoing
- FLSmidth Inc. v. Metso Finland Oy2025-05-14· Terminated
- Fractus, S.A. v. Unified Patents, LLC· Terminated
- GE Healthcare Ltd. v. Johns Hopkins University2025-10-21· Pending - Instituted
- GE Healthcare Ltd. v. The Johns Hopkins University2025-03-27· Terminated
- General Motors Company v. AutoConnect Holdings LLC2024-10-04· instituted
- General Motors LLC v. Cerence Operating Company· Not Instituted
- Google LLC v. Headwater Research LLC2025-10-31· Pending - Instituted
- Harbor Freight Tools USA Inc. et al. v. Champion Power Equipment, Inc.2025-01-01· pending
- Hisense USA Corp. et al. v. Light Guide Innovations LLC2025-09-15· Denied Institution
- Hisense USA Corp. v. Light Guide Innovations LLC2025-09-19· Not Instituted - Procedural
- Hyundai Motor Company et al. v. Optimum Vector Dynamics LLC2023-11-17· Not instituted
- Intel Corporation v. Greenthread, LLC2022-12-19· Terminated
- ITM Isotope Technologies Munich SE v. The Johns Hopkins University2024-12-24· Settled
- Keysight Technologies, Inc. v. Centripetal Networks, LLC2022-06-01· Final Written Decision
- Krisp Technologies, Inc. v. Sanas.AI Inc.2026-03-30· Pending
- Microsoft Corporation v. Corel Software, LLC· Claims Canceled
- Monolithic Power Systems, Inc. v. Greenthread, LLC2024-03-18· Final Written Decision
- Niantic, Inc. v. ImagineAR, Inc.· Active
- Nokia Of America Corp. v. Spada Innovations Inc.2025-08-27· Awaiting institution
- OnePlus Technology (Shenzhen) Co., Ltd. v. Pantech Wireless, LLC2025-05-14· Pending institution decision
- Petitioner Not Listed v. AlmondNet, Inc.· Not Instituted
- Samsung Electronics America Inc. et al. v. Topwire LLC2026-03-31· Pending
- Samsung Electronics America Inc. v. Massively Broadband LLC2025-10-24· Discretionary Denial
- Samsung Electronics Co. Ltd. v. VB Assets, LLC2025-04-20· Pending
- Samsung Electronics Co., Ltd. et al. v. Netlist, Inc.2025-10-27· Not Instituted
- Samsung Electronics Co., Ltd. et al. v. One-E-Way, Inc.2025-09-08· Pending - Instituted
- Samsung Electronics Co., Ltd. v. Headwater Research LLC2024-09-06· Pending - Instituted
- Semiconductor Components Industries, LLC v. Greenthread, LLC2023-12-11· Final Written Decision
- Sonos, Inc. v. Implicit, LLC2017-10-16· Final Written Decision / Claims Unpatentable
- Sony Group Corporation v. Greenthread, LLC2022-12-12· Terminated
- Terumo BCT Inc. v. Haemonetics Corp.2025-10-24· terminated
- Terumo BCT, Inc. v. Haemonetics Corp.2025-10-09· active
- Terumo BCT, Inc. v. Haemonetics Corporation2025-08-04· Pending
- Texas Instruments Inc. v. Greenthread, LLC2024-04-10· Terminated
- Tianma Microelectronics Co., Ltd. v. LG Display Co., Ltd.· Institution Denied
- Toyota Motor Corporation v. Bunker Hill Technologies, LLC2026-04-07· Pending Institution Decision
- Tricam Industries LLC v. Little Giant Ladder Systems LLC2026-04-14· Pending
- Twitch Interactive, Inc. et al. v. NL Giken Inc.2024-11-25· Settled
- Unified Patents Inc. v. Shipping and Transit LLC2016-07-25· Settled
- Unified Patents v. Cortex MCP Inc.· Final Written Decision Issued
- Unified Patents v. Massively Broadband LLC· Not instituted
- Unified Patents, LLC v. Centripetal Networks, LLC2022-06-01· Final Written Decision
- Unified Patents, LLC v. Ingeniospec LLC· Settled
- Unified Patents, LLC v. Marlin Semiconductor Ltd.· Pending - Instituted
- Unified Patents, LLC v. Onesta IP, LLC· Not Instituted - Procedural
- Unified Patents, LLC v. Personalized Media Communications, LLC· PTAB invalidation reversed on appeal
- Unified Patents, LLC v. Seasonal Specialties, LLC· Final Written Decision Issued
- Untitled case· Not Instituted
- Untitled case· Final Written Decision issued
- Untitled case· Not Instituted - Procedural
- Untitled case· pending
- Untitled case· Not Instituted - Procedural
- Valve Corporation v. Ironburg Inventions Ltd.· Final Written Decision Issued
- Valve Corporation v. Ironburg Inventions Ltd.2016-04-22· Final Written Decision
- Voltage, LLC et al. v. Shoals Technologies Group, LLC· Denied Institution
- Yahoo! Inc. v. AlmondNet, Inc.2017-05-15· Not Instituted