Petitioner v. Advanced Integrated Circuit Process LLC

This case involves an inter partes review (IPR) proceeding, IPR2025-01091, before the Patent Trial and Appeal Board (PTAB) concerning the validity of U.S. Patent 8198686. The patent owner is Advanced Integrated Circuit Process LLC (AICP), identified as a patent assertion entity (PAE) or Non-Practicing Entity (NPE). AICP was formed in Texas in June 2024, and its managing member, AMTL LLC, was established in Delaware in April 2024. AICP acquired a portfolio of over 50 semiconductor patents, including US Patent 8198686, from Winbond Electronics (Nuvoton Technology Corporation Japan) in July 2024. The Petitioner in this IPR is unnamed in the provided details for this specific case, but other IPRs against AICP's patents name major semiconductor manufacturers as petitioners, suggesting a similar operating company defending against infringement claims or an industry group like Unified Patents.

The IPR challenge to US Patent 8198686 stems from ongoing patent infringement litigation initiated by AICP against prominent semiconductor manufacturers. AICP has filed lawsuits in the Eastern District of Texas, accusing Taiwan Semiconductor Manufacturing Company Limited (TSMC) and United Microelectronics Corporation (UMC) of infringing several patents from its acquired portfolio, including 8198686. The allegedly infringing products are semiconductor devices, specifically those manufactured using various process nodes, such as 22 and 28 nanometer nodes, and components like Apple, Broadcom, and Qualcomm chips that incorporate these semiconductor devices, including those utilizing FinFET technology. U.S. Patent 8198686 generally describes a semiconductor device, focusing on a Metal Insulator Semiconductor Field Effect Transistor (MISFET) that features a gate electrode made of a metal material, and outlines a method for manufacturing such a device, particularly with a dual-metal gate structure for n-type and p-type MISFETs.

The procedural posture for IPR2025-01091 is that the petition was filed at the Patent Trial and Appeal Board (PTAB) but was "Not Instituted - Procedural." The PTAB serves as an administrative tribunal within the USPTO, providing a venue for challenging patent validity, often in parallel to district court infringement lawsuits. A "Not Instituted - Procedural" outcome means the PTAB declined to proceed with the full validity review, not necessarily on the merits of patentability but due to procedural considerations. The ultimate decision on institution authority shifted to the Director of the USPTO in October 2025, allowing for discretionary denials based on various factors. This case is notable due to AICP's pattern as an NPE asserting recently acquired semiconductor patents against major industry players in the Eastern District of Texas, a venue historically favored by patent owners. The IPR represents a defensive strategy against these assertions, and its "Not Instituted - Procedural" status highlights the complexities and discretionary aspects that can influence PTAB outcomes in high-stakes semiconductor litigation.

The provided information describes an Inter Partes Review (IPR) proceeding, IPR2025-01091, rather than a district court patent infringement litigation. This IPR concerns US Patent 8,198,686 and was filed by an unnamed Petitioner against Advanced Integrated Circuit Process LLC. The IPR was not instituted for procedural reasons. As such, many of the typical stages of a patent infringement lawsuit (e.g., complaint, answer, Markman, discovery, trial) would not apply directly to this IPR proceeding.

Given the status of IPR2025-01091 as "Not Instituted - Procedural," the legal developments are confined to the PTAB proceeding itself, and its direct outcome is that the patent 8,198,686 was not reviewed by the PTAB in this particular petition.

Key Legal Developments and Outcome for IPR2025-01091:

• IPR Filing: An Inter Partes Review petition, IPR2025-01091, was filed by a Petitioner against Advanced Integrated Circuit Process LLC, challenging claims of US Patent 8,198,686. The exact filing date of the petition would be available in the PTAB's PRPS database, but is not readily available through general web search without direct access to the docket.
• Procedural Non-Institution: The Patent Trial and Appeal Board (PTAB) declined to institute the IPR. This decision was based on "procedural reasons," meaning the petition did not meet a specific procedural requirement for institution, rather than on the merits of the patentability arguments. The order declining institution would typically detail the specific procedural defect (e.g., failure to identify all real parties-in-interest, late filing, or other administrative deficiencies).
• Effect on Parallel Litigation: Since the IPR was not instituted, there would be no stay of any co-pending district court litigation based on this particular IPR. The claims of US Patent 8,198,686 would continue to be asserted without the potential for an IPR trial.

Search for Related District Court Litigation:
A search for district court patent infringement cases involving US Patent 8,198,686 and Advanced Integrated Circuit Process LLC (or its variations) did not yield any immediate results for active or recently concluded litigation that would have directly prompted IPR2025-01091 within the typical IPR filing window. This suggests that if related litigation exists, it is either under a different case name, involves a predecessor/successor entity, or is not publicly indexed in the top search results. Without a specific district court case number or parties to search against, it is not possible to detail any parallel patent infringement litigation.

Summary:
The IPR2025-01091 challenging US Patent 8,198,686 concluded at the institution stage. The PTAB issued a decision declining to institute the review due to procedural issues. This means the Board did not reach the merits of the patentability challenge, and the patent claims were not subject to inter partes review in this proceeding. There are no direct legal developments from this IPR impacting a patent infringement litigation, as no IPR trial was ever initiated.

In the IPR2025-01091 proceeding, the Petitioner, who was previously unnamed in the initial case summary, has been identified as United Microelectronics Corporation, and UMC Group (USA). This information contradicts the previous summary's assertion of an "unnamed Petitioner," therefore, the Petitioner is now known.

As of the current date, a definitive list of the counsel of record representing United Microelectronics Corporation and UMC Group (USA) in IPR2025-01091, including their roles, firms, and specific patent litigation experience, is not readily available through general web searches of public PTAB information. While "Power Of Attorney (Dkt. 2)" is noted in the case identification for IPR2025-01091, the full contents detailing the specific attorneys and their affiliations are not publicly displayed in the search results.

Therefore, without direct access to the PTAB's PRPS docket for IPR2025-01091, the specific counsel information for the Petitioner cannot be provided at this time. Filings containing this information, such as the Power of Attorney, would typically reside within the official PTAB docket.

Advanced Integrated Circuit Process LLC, as the Patent Owner in IPR2025-01091, is represented by attorneys from Heim, Payne & Chorush, LLP. While the specific "Power of Attorney" document for IPR2025-01091 was not directly accessible to list counsel, the firm Heim, Payne & Chorush, LLP has consistently appeared for Advanced Integrated Circuit Process LLC in other related Inter Partes Review proceedings, such as IPR2025-00828 and IPR2025-00830.

Based on these related PTAB proceedings, the following attorneys represent Advanced Integrated Circuit Process LLC:

• Russell A. Chorush

  • Role: Lead Counsel
  • Firm: Heim, Payne & Chorush, LLP, Houston, TX
  • Experience: Russell Chorush is a founding partner of Heim, Payne & Chorush, LLP, a firm with significant experience in intellectual property litigation, including PTAB proceedings.

• Michael F. Heim

  • Role: Backup Counsel
  • Firm: Heim, Payne & Chorush, LLP, Houston, TX
  • Experience: Michael Heim is also a founding partner of Heim, Payne & Chorush, LLP, specializing in patent litigation and other complex commercial disputes.

• Christopher L. Limbacher

  • Role: Backup Counsel
  • Firm: Heim, Payne & Chorush, LLP, Houston, TX

• Lily R. Glick

  • Role: Backup Counsel
  • Firm: Heim, Payne & Chorush, LLP, Houston, TX