
P. Casey Mathews is a Partner at Bartko Pavia LLP and an experienced litigator, handling complex, high-stakes commercial litigation in both state and federal courts. Casey has experience representing clients in a broad array of complex commercial litigation including mass torts, contract disputes, antitrust litigation, copyright and trademark litigation, and corporate governance litigation. He has represented clients through nearly all stages of litigation, from pleadings and dispositive motions through trial. Throughout his career, Casey has focused on developing litigation strategies that are both creative and cost effective to achieve the best results for his clients.
Credentials
Education
- University of Texas School of Law, J.D.
- Pomona College, B.A.
Bar Admissions
- State Bar of California
Court Admissions
- United States Court of Appeals for the Ninth Circuit
- United States District Court for the Northern District of California
- United States District Court for the Central District of California
Insights
Press Release
17, December 2025
Bartko Pavia Elevates Four Attorneys to Partnership
SAN FRANCISCO (December 10, 2025) — Bartko Pavia LLP is pleased to announce the promotion of four attorneys to partnership, effective January 1, 2026. The new partner class reflects the firm's distinctive culture: a powerhouse litigation practice where high performance, collegiality, and creative problem-solving combine to deliver results for clients facing their most critical challenges.
Areas of Focus
Practices
Insights & News
Press Release
30, October 2025
An Ruda Serves as Judge at the Berkeley Female Founders & Funders Summit
Honors and Awards
17, May 2023
Media Mentions
27, October 2025
Press Release
17, December 2025
Honors and Awards
26, November 2025
Patrick M. Ryan Named to Daily Journal’s 2025 “Top Antitrust Lawyers” List
Honors and Awards
23, September 2025
Patrick M. Ryan Earns Repeat Recognition as 2025 Top 100 Lawyer
Media Mentions
30, May 2025
Honors and Awards
01, January 2025
Bartko Pavia Earns Recognition in 2025 Best Law Firms® Rankings
Press Release
14, May 2025
Bartko Pavia’s Patrick M. Ryan obtains $222 million jury verdict against Walmart
Press Release
23, December 2025
Speaking Engagements
30, January 2026
An Nguyen Ruda Joins Panel on Law Firm Governance and Organizational Structure
Press Release
31, May 2019
Bartko Pavia Firm Obtains $845,114,000 Judgment for ASML Against XTAL, Inc.
Press Release
01, August 2025
Bartko Pavia Continues Strategic Expansion with Addition of Antitrust Partner Ian Papendick
Media Mentions
05, February 2024
Speaking Engagements
20, February 2026
An Nguyen Ruda Discusses Building Authentic Culture at Bartko Pavia LLP
Honors and Awards
24, January 2024
Speaking Engagements
17, February 2026
Giovanni Spinelli Presents at Milan Bar Seminar on Judicial and Prosecutorial Independence
Honors and Awards
08, November 2023
Press Release
11, March 2022
Bartko Pavia Scores Huge Defense Jury Verdict in $411 Million Sutter Health Antitrust Class Action
Press Release
07, February 2023
Press Release
30, October 2025
An Ruda Serves as Judge at the Berkeley Female Founders & Funders Summit
Honors and Awards
17, May 2023
Media Mentions
27, October 2025
Press Release
17, December 2025
Honors and Awards
26, November 2025
Patrick M. Ryan Named to Daily Journal’s 2025 “Top Antitrust Lawyers” List
Honors and Awards
23, September 2025
Patrick M. Ryan Earns Repeat Recognition as 2025 Top 100 Lawyer
Media Mentions
30, May 2025
Honors and Awards
01, January 2025
Bartko Pavia Earns Recognition in 2025 Best Law Firms® Rankings
Press Release
14, May 2025
Bartko Pavia’s Patrick M. Ryan obtains $222 million jury verdict against Walmart
Press Release
23, December 2025
Speaking Engagements
30, January 2026
An Nguyen Ruda Joins Panel on Law Firm Governance and Organizational Structure
Press Release
31, May 2019
Bartko Pavia Firm Obtains $845,114,000 Judgment for ASML Against XTAL, Inc.
Press Release
01, August 2025
Bartko Pavia Continues Strategic Expansion with Addition of Antitrust Partner Ian Papendick
Media Mentions
05, February 2024
Speaking Engagements
20, February 2026
An Nguyen Ruda Discusses Building Authentic Culture at Bartko Pavia LLP
Honors and Awards
24, January 2024
Speaking Engagements
17, February 2026
Giovanni Spinelli Presents at Milan Bar Seminar on Judicial and Prosecutorial Independence
Honors and Awards
08, November 2023
Press Release
11, March 2022
Bartko Pavia Scores Huge Defense Jury Verdict in $411 Million Sutter Health Antitrust Class Action
Press Release
07, February 2023
Press Release
30, October 2025
An Ruda Serves as Judge at the Berkeley Female Founders & Funders Summit
Honors and Awards
17, May 2023
Media Mentions
27, October 2025