Ranking tables
Intellectual Property: Litigation | USA
Wisconsin
Rankings overview for Lawyers
- James F BoyleBoyle Fredrickson
Christopher G Hanewicz Perkins Coie LLP17 Years Ranked
David L Anstaett Perkins Coie LLP6 Years Ranked- Aaron OlejniczakAndrus Intellectual Property Law, LLP
Jennifer L. Gregor Godfrey & Kahn, SC8 Years Ranked
Jonathan H Margolies Michael Best & Friedrich LLP21 Years Ranked- David G HansonReinhart Boerner Van Deuren s.c.
All Lawyers profiles
Senior Statespeople
- James F BoyleBoyle Fredrickson | Intellectual Property: Litigation2026 | Senior Statespeople
Band 1

1 Christopher G Hanewicz
Perkins Coie LLP | Intellectual Property: Litigation2026 | Band 1 | 17 Years RankedChristopher Hanewicz is experienced in handling a range of contentious intellectual property matters, including patent infringement and enforcement disputes. He acts for a number of clients in the life sciences and energy industry sectors.
1 David L Anstaett
Perkins Coie LLP | Intellectual Property: Litigation2026 | Band 1 | 6 Years RankedDavid Anstaett operates a respected patent litigation practice with noted activity handling medical and pharmaceutical matters.- Aaron OlejniczakAndrus Intellectual Property Law, LLP | Intellectual Property: Litigation2026 | Band 1
Band 2

2 Jennifer L. Gregor
Godfrey & Kahn, SC | Intellectual Property: Litigation2026 | Band 2 | 8 Years RankedJennifer Gregor is recognized for her sophisticated handling of patent and trade mark concerns. She advises on both contentious and non-contentious IP work, with expertise ranging from infringement litigation to portfolio management and procurement.

2 Jonathan H Margolies
Michael Best & Friedrich LLP | Intellectual Property: Litigation2026 | Band 2 | 21 Years RankedJonathan Margolies is a skilled IP litigator recognized for his significant experience in handling complex patent disputes, particularly in the technology sector.- David G HansonReinhart Boerner Van Deuren s.c. | Intellectual Property: Litigation2026 | Band 2
Band 3

3 Andrew Dufresne
Perkins Coie LLP | Intellectual Property: Litigation2026 | Band 3 | 2 Years RankedAndrew Dufresne has a high quality patent litigation practice. He is noted for his ability to represent multinational clients in federal courts for pre-trial patent infringement cases.

3 Autumn Nero
Perkins Coie LLP | Intellectual Property: Litigation2026 | Band 3 | 3 Years RankedAutumn Nero is an accomplished patent litigator with a notable track record in handling complex patent litigation for pharmaceutical-sector clients under the Hatch-Waxman Act.
3 Kadie Jelenchick
Foley & Lardner LLP | Intellectual Property: Litigation2026 | Band 3 | 3 Years RankedKadie Jelenchick is an experienced IP litigator who advises on an impressive array of complex patent and trade mark infringement matters. She also advises on IP portfolio management.

3 Michelle M. Kemp
Perkins Coie LLP | Intellectual Property: Litigation2026 | Band 3 | 6 Years RankedMichelle Kemp is highlighted for her representation of clients in complex intellectual property litigation, particularly in patent cases. She is also noted for her extensive trial capabilities.