Polsinelli’s Intellectual Property Department has again been recognized among the prestigious IAM Patent 1000 – The World’s Leading Patent Professionals 2025 for its strong patent prosecution and patent litigation capabilities. The unique guide identifies the top patent professionals in key jurisdictions around the globe and shines a spotlight on the firms and individuals that are deemed “outstanding in this pivotal area of practice.”

This marks the sixth time Polsinelli has been ranked at the national level on the IAM Patent 1000 list.

Polsinelli’s Intellectual Property Department earned rankings in Colorado, Texas, Washington and the D.C. Metro Area in the Litigation and Prosecution categories. The firm also repeated its national ranking in the Prosecution category.

Polsinelli is among 16 U.S. law firms ranked nationally in the Prosecution category. The firm is ranked in six jurisdictions:

• United States: Colorado (Gold Litigation, Highly Recommended – Prosecution and Recommended – Transactions)
• United States: D.C. Metro Area (Bronze Litigation and Recommended – Prosecution)
• United States: Missouri (Silver)
• United States: National (Recommended – Prosecution)
• United States: Texas (Bronze Litigation and Recommended – Prosecution)
• United States: Washington (Bronze Prosecution)

Nineteen Polsinelli attorneys earned a place in the individual rankings of the “world’s leading patent professionals.” They include:

• Corey M. Casey (Missouri, Recommended – Prosecution)
• Elton F. Dean III (Missouri, Recommended – Prosecution)
• Kathryn J. Doty (Missouri, Recommended – Prosecution)
• Gregory P. Durbin (Colorado, Highly Recommended – Prosecution)
• Taryn A, Elliott (Colorado, Recommended – Prosecution) and (National, Recommended – Design Patents)
• Jay E. Heidrick (Missouri, Recommended – Litigation)
• S. Wade Johnson (Colorado, Recommended – Prosecution)
• Chad Landmon (D.C. Metro Area, Silver Litigation)
• Sunwoo Lee (D.C. Metro Area, Bronze Litigation)
• Arriènne (Angel) M.Lezak (D.C. Metro Area, Highly Recommended – Prosecution)
• Brian K. McKnight (D.C. Metro Area, Recommended – Prosecution)
• Tara A. Nealy (Missouri, Recommended – Prosecution)
• Deanna Okun (D.C. Metro Area, Bronze Litigation)
• Emily C. Peyser (Washington, Bronze Prosecution)
• Andrea M. Porterfield (Missouri, Recommended – Prosecution)
• John R. Posthumus (Colorado, Gold Litigation)
• LaTasha M. Snipes (Texas, Bronze Litigation)
• Suni Sukduang (Texas, Silver Litigation) and (National, Recommended – Post-Grant Proceedings)
• Patrick C. Woolley (Missouri, Recommended – Prosecution)