Mr. Mueller is involved in all aspects of intellectual property law, primarily patent litigation and counseling. He has represented clients as first and second chair trial counsel in matters involving such diverse areas as image processing, data compression, machine vision, operating system, PACS, semiconductor, smart card, and video game technologies. He also counsels international companies with large intellectual property portfolios with respect to licensing, open source and related issues.
Experience
Honors
- AV® Preeminent™ Peer Review Rated (Highest Rating) – Martindale-Hubbell
- Named in the Illinois Super Lawyers list, Intellectual Property, 2019-2025
- Named in the Illinois Super Lawyers list, Intellectual Property Litigation, 2011-2019
- Selected by peers as a Leading Lawyer in Intellectual Property Law – Leading Lawyers Network
- Listed among the Top Lawyers in Illinois in Intellectual Property Law – Chicago Lawyer
- Named as “IP Star” – Managing Intellectual Property™
Professional Affiliations
- Richard Linn Inn of Court
- American Bar Association (ABA)
- American Intellectual Property Law Association (AIPLA)
- Intellectual Property Law Association of Chicago (IPLAC)
- Intellectual Property Owners Association (IPO)
Articles, Publications & Lectures
- Patent case covers ‘divided infringement’,” Chicago Daily Law Bulletin, November 15, 2012
- “Key Issues Regarding Patent Opinions,” University of Chicago Patent Law Institute Seminar, Chicago, IL (May 2008)
- “Recent IP Sanctions Decisions – Practical Lessons,” Chicago, IL (May 2008)
- “Proposed USPTO Rules and Practical Considerations,” Client Seminar (October 2007)
Practices
Technologies
Insights
- Aaron Feigelson and Wes Mueller Receive Favorable Final Decision in a Post-Grant Review (PGR) at the USPTO
February 9, 2026 - Leydig Recognized by Managing IP
June 5, 2025 - Leydig Attorneys Named 2025 Illinois Super Lawyers
January 21, 2025 - Leydig Attorneys Named 2024 Illinois Super Lawyers
February 1, 2024 - Leydig Attorneys Named 2023 Illinois Super Lawyers
January 26, 2023 - Leydig Attorneys Named 2022 Illinois Super Lawyers
January 26, 2022 - Leydig Attorneys Named 2021 Illinois Super Lawyers
January 26, 2021 - Leydig Attorneys Named 2020 Illinois Super Lawyers
January 26, 2020 - Leydig Recognized by Managing Intellectual Property
July 8, 2019 - Leydig Attorneys Named 2019 Illinois Super Lawyers
January 25, 2019 - Leydig Selected As Top IP Law Firm in Managing Intellectual Property™
August 28, 2018 - Leydig Recognized Among Top IP Law Firms in Managing Intellectual Property™ 2018 IP Stars
July 3, 2018 - Leydig Attorneys Named 2018 Illinois Super Lawyers
January 25, 2018 - Leydig Attorneys Named 2017 Illinois Super Lawyers
January 18, 2017 - Leydig Attorneys Named in Illinois Super Lawyers and Rising Stars 2016 Lists
December 4, 2015 - Leydig Attorneys Named in Illinois Super Lawyers and Rising Stars 2015 Lists
January 16, 2015