Litigation
Unified Patents v. Taiwan Semiconductor Manufacturing Company Limited
Not Instituted - MeritsIPR2025-01054
- Filed
- 2025-08-20
Patents at issue (1)
Plaintiffs (1)
Defendants (1)
Summary
Unified Patents filed an Inter Partes Review (IPR) against Taiwan Semiconductor Manufacturing Company Limited concerning US Patent 9337193, which was not instituted on the merits.
Case overview & background
Plain-language overview of the case: parties, accused product, patents at issue, and why the suit matters.
Unified Patents, an organization dedicated to deterring patent litigation by non-practicing entities (NPEs), filed an Inter Partes Review (IPR) against Taiwan Semiconductor Manufacturing Company Limited (TSMC) concerning US Patent 9337193. Unified Patents operates as a member-based organization that aims to reduce frivolous patent litigation by challenging the validity of patents, primarily those asserted by NPEs, through mechanisms like IPRs at the Patent Trial and Appeal Board (PTAB). Taiwan Semiconductor Manufacturing Company Limited (TSMC), a Taiwanese multinational semiconductor contract manufacturing and design company, is the world's largest independent foundry for semiconductor chips, manufacturing integrated circuits for a wide array of clients, including major technology companies like Apple, Nvidia, and Qualcomm. TSMC itself is a significant holder of U.S. patents and actively utilizes the IPR system to defend both its own interests and those of its customers against patent assertions.
The asserted patent in this IPR is US Patent 9337193. A technical sketch of this patent reveals it relates to semiconductor devices, specifically a "Fin field-effect transistor and method of manufacturing the same." The procedural posture of the case, IPR2025-01054, is before the Patent Trial and Appeal Board (PTAB) and was filed on August 20, 2025. The case status indicates that the IPR was "Not Instituted - Merits," meaning the PTAB reviewed Unified Patents' petition but ultimately declined to initiate a trial on the validity of the patent, finding the merits of the challenge insufficient to proceed.
This case is particularly notable given the typical operating models of both parties. Unified Patents usually targets patents held by NPEs, acting on behalf of its operating company members to reduce their exposure to "patent troll" litigation. The fact that Unified Patents initiated an IPR directly against TSMC, a prominent operating company and semiconductor manufacturer, suggests an unusual dynamic where TSMC is positioned as the patent owner being challenged. While TSMC does hold numerous patents and engages in patent defense, it is not typically categorized as an NPE. The "Not Instituted - Merits" outcome is also noteworthy, as Unified Patents generally reports a high success rate in its IPR challenges. The decision not to institute on the merits means that the PTAB found Unified Patents' arguments regarding the unpatentability of US Patent 9337193 unpersuasive, at least at the institution stage.
Key legal developments & outcome
Major rulings, motions, claim construction, settlements, and the present posture or final disposition.
The provided case is an IPR proceeding, not a traditional patent infringement litigation in a district court. Therefore, the structure of the answer will focus on IPR-specific events.
The key legal developments and outcome for IPR2025-01054 are as follows:
1. Filing of Petition:
- 2025-08-20: Unified Patents filed an Inter Partes Review (IPR) petition, IPR2025-01054, challenging US Patent 9337193, owned by Taiwan Semiconductor Manufacturing Company Limited (TSMC).
2. Institution Decision and Outcome:
- The IPR was not instituted on the merits. The exact date of the non-institution decision for IPR2025-01054 is not explicitly stated in the provided search results, but the case status clearly indicates this outcome.
- Recent changes in PTAB practice in 2025 show a trend of increased discretionary denials and direct involvement of the USPTO Director in institution decisions. On October 17, 2025, USPTO Director John Squires announced he would personally determine whether to institute IPR and PGR trials, effective October 20, 2025. This shifted from the prior practice where a three-member PTAB panel made institution decisions on the merits. This new process often involves "summary decisions" without detailed reasoning, except for novel or important issues.
- Unified Patents, as an organization, frequently files IPR petitions to challenge patents, particularly those asserted by Non-Practicing Entities (NPEs).
- Taiwan Semiconductor Manufacturing Company (TSMC) has itself been involved in numerous IPRs, often as a petitioner, and has emphasized the importance of IPRs for defending against meritless patent assertions. TSMC has also faced discretionary denials in other IPRs, particularly where parallel ITC investigations were ongoing, and the PTAB determined that a final written decision was unlikely to issue before the ITC trial, leading to duplication of effort and risk of inconsistent decisions. The Director's decisions in other TSMC IPRs have also emphasized the need for petitioners to demonstrate how national security, economic, or public interests warrant review of specific challenged patents.
3. Parallel PTAB IPR/PGR Proceedings and Their Effect:
- While no direct parallel IPR or district court litigation is specifically linked to US Patent 9337193 for IPR2025-01054 in the provided snippets, the broader context of 2025 PTAB activity indicates a significant shift in institution policies.
- The USPTO implemented new policies in 2025, including a bifurcated process for institution decisions, emphasizing director discretion, and expanding considerations for discretionary denial, such as the Fintiv factors and "settled expectations." These changes have led to a sharp increase in discretionary denials.
- Director Squires also proposed rules that would prohibit IPRs against patents that previously survived an invalidity challenge in any forum and require petitioners to waive certain positions in parallel proceedings.
- The outcome of "Not Instituted - Merits" suggests that, after review, the PTAB (or the Director under the new policies) determined that Unified Patents did not demonstrate a reasonable likelihood of prevailing on at least one challenged claim of US Patent 9337193. This decision is generally final and non-appealable.
Due to the nature of an IPR and its non-institution status, there would be no subsequent developments like claim construction (Markman), discovery milestones, trial events, or appeals within the IPR itself. If there were a corresponding district court case, the IPR's non-institution would mean the validity challenge in that forum would proceed unimpeded by an IPR. However, the provided case information is solely for the IPR.
Plaintiff representatives
Counsel of record for the plaintiff(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).
Unfortunately, I was unable to identify the specific counsel of record representing Unified Patents in IPR2025-01054, Unified Patents v. Taiwan Semiconductor Manufacturing Company Limited, using the available web search tools.
While Unified Patents is known to file Inter Partes Reviews and often uses a combination of in-house counsel and outside firms for these proceedings, direct docket information for IPR2025-01054 listing the appearing attorneys was not found in the search results. Unified Patents' website lists several in-house Senior Patent Counsel members, including Jenn Bisk and Kyla Bulter, and Jonathan Stroud as Chief IP Counsel. They also have previously worked with firms like Haynes and Boone, and Erise IP for other IPR proceedings. However, there is no direct evidence linking these specific individuals or firms to IPR2025-01054.
Without access to the official PTAB docket sheet for IPR2025-01054, identifying the precise counsel of record, their roles, firms, and specific experience for this particular case is not possible.
Defendant representatives
Counsel of record for the defendant(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).
In IPR2025-01054, Unified Patents challenged US Patent 9337193, owned by Taiwan Semiconductor Manufacturing Company Limited (TSMC). Although the specific counsel for TSMC in this IPR are not directly identified in the search results, TSMC generally relies on a combination of in-house counsel and external law firms for its patent litigation and IPR defense.
In-house Counsel at Taiwan Semiconductor Manufacturing Company Limited (TSMC):
- Sylvia Fang - Senior Vice President and General Counsel. Ms. Fang has served as General Counsel since August 2014 and has been with TSMC since 1995. Her experience includes high-profile corporate transactions and intellectual property trade secret litigations.
- Billie Chen - Associate General Counsel and Chief IP Counsel.
- Michael M. Shen - Chief Counsel, Patent Litigation.
- David C. Hsia - Senior Counsel, Patent Litigation.
- TSMC also advertises for "Sr. Patent Litigation Attorney" roles, indicating a robust in-house team managing complex patent litigation cases, driving litigation strategy, and collaborating with external counsel.
External Counsel:
TSMC frequently engages external counsel from various law firms for its extensive patent activities, including IPRs. While not confirmed for IPR2025-01054, some firms that have historically assisted TSMC with its intellectual property assets and patent filings include:
- Finnegan, Henderson, Farabow, Garrett & Dunner, LLP - This firm was appointed as attorneys for TSMC in IPR2025-00848, where TSMC was a petitioner alongside Apple Inc. against Marlin Semiconductor Ltd. It is plausible they represent TSMC in other PTAB proceedings as well.
- Other firms that have played a significant role in shaping TSMC's IP assets include Beijing East IP Ltd., Beijing Deheng Lvzhi Intellectual Property Agents Co., Ltd., and Hauptman Ham, LLP.
It is important to note that the specific counsel of record for a particular IPR would be formally listed on the PTAB's docket for IPR2025-01054. The provided search results did not include direct access to this specific docket or a definitive list of counsel for this particular IPR.