Patent litigation attorney
Timothy J. Ziolkowski
29 tracked appearances — 17 plaintiff · 12 defendant.
Specialty & background
Timothy J. Ziolkowski is a patent litigation attorney and the founder of Ziolkowski Patent Solutions Group. His practice focuses heavily on the mechanical, electrical, and electro-mechanical arts, particularly in the realm of power systems, including multi-fuel generators and engine technologies. He also has experience with electronics, software, and medical device technologies.
Ziolkowski maintains a balanced litigation practice, having represented plaintiffs in 17 tracked cases and defendants in 12. This includes significant activity on behalf of operating companies such as Champion Power Equipment, Inc. in patent enforcement actions against competitors like Generac Power Systems, Inc. and Harbor Freight Tools USA, Inc.
Notable cases include Champion Power Equipment Inc. v. Generac Power Systems Inc. in the Eastern District of Wisconsin, where Champion alleged infringement of eleven multi-fuel generator patents and Generac filed counterclaims, and Champion Power Equipment Inc. v. Harbor Freight Tools USA Inc., a thirteen-count infringement suit that was dismissed in Wisconsin based on the first-to-file rule in favor of a parallel declaratory judgment action in California.
He is also active in post-grant proceedings before the Patent Trial and Appeal Board (PTAB), representing patent owners against inter partes review (IPR) challenges. For example, he has appeared as counsel for Champion Power Equipment, Inc. in IPRs initiated by Harbor Freight Tools USA, Inc. and Generac Power Systems, Inc.
Mr. Ziolkowski earned his BSEE from the University of Wisconsin-Milwaukee with honors in 1989 and his J.D. from Marquette University in 1993, where he was on the Law Review. He is admitted to the U.S. Patent Bar and the State Bar of Wisconsin.
Firms
Roles
- Counsel7
- lead counsel4
- Lead Counsel4
- co-counsel4
- Backup Counsel2
- Co-counsel2
- of counsel, local counsel1
- Partner1
- Counsel for Patent Owner1
- Of Counsel1
- counsel1
- Patent litigation attorney1
Cases (29)
- π plaintiffChampion Power Equipment Inc. v. Generac Power Systems Inc.Ziolkowski Patent Solutions Group · Counsel
- π plaintiffChampion Power Equipment Inc. v. Generac Power Systems Inc.Ziolkowski Patent Solutions Group · lead counsel
- π plaintiffChampion Power Equipment Inc. v. Generac Power Systems Inc.Ziolkowski Patent Solutions Group · Lead Counsel
- π plaintiffChampion Power Equipment Inc. v. Harbor Freight Tools USA Inc.Ziolkowski Patent Solutions Group · Counsel
- π plaintiffChampion Power Equipment Inc. v. Harbor Freight Tools USA Inc.Ziolkowski Patent Solutions Group · counsel
- π plaintiffChampion Power Equipment Inc. v. Harbor Freight Tools USA Inc.Ziolkowski Patent Solutions Group · co-counsel
- π plaintiffChampion Power Equipment Inc. v. Harbor Freight Tools USA, Inc.Ziolkowski Patent Solutions Group · lead counsel
- π plaintiffChampion Power Equipment Inc. v. Westinghouse Electric Corp. et al.Ziolkowski Patent Solutions Group · Lead Counsel
- π plaintiffChampion Power Equipment Incorporated v. Firman Power Equipment IncorporatedZiolkowski Patent Solutions Group · Counsel
- Δ defendantChampion Power Equipment Incorporated v. Firman Power Equipment IncorporatedZiolkowski Patent Solutions Group · lead counsel
- π plaintiffChampion Power Equipment Incorporated v. Firman Power Equipment IncorporatedZiolkowski Patent Solutions Group · Patent litigation attorney
- π plaintiffChampion Power Equipment Incorporated v. Firman Power Equipment IncorporatedZiolkowski Patent Solutions Group · Lead Counsel
- π plaintiffChampion Power Equipment, Inc. v. Generac Power Systems, Inc.Ziolkowski Patent Solutions Group · Counsel
- π plaintiffGenerac Power Systems, Inc. et al. v. Champion Power Equipment, Inc.Ziolkowski Patent Solutions Group · Backup Counsel
- Δ defendantGenerac Power Systems, Inc. et al. v. Champion Power Equipment, Inc.Ziolkowski Patent Solutions Group · Co-counsel
- Δ defendantGenerac Power Systems, Inc., et al. v. Unknown Patent OwnerZiolkowski Patent Solutions Group · Counsel
- Δ defendantHarbor Freight Tools USA Inc. et al. v. Champion Power Equipment, Inc.Ziolkowski Patent Solutions Group · Backup Counsel
- Δ defendantHarbor Freight Tools USA, Inc. v. Champion Power Equipment Inc.Ziolkowski Patent Solutions Group · Counsel
- Δ defendantHarbor Freight Tools USA, Inc. v. Champion Power Equipment, Inc.Ziolkowski Patent Solutions Group · of counsel, local counsel
- Δ defendantHarbor Freight Tools USA, Inc. v. Champion Power Equipment, Inc.Ziolkowski Patent Solutions Group · co-counsel
- Δ defendantMWE Investments LLC v. Champion Power Equipment Inc.Ziolkowski Patent Solutions Group · co-counsel
- Δ defendantUnified Patents v. Advanced Integrated Circuit Process LLCZiolkowski Patent Solutions Group · Counsel for Patent Owner
- π plaintiffUntitled caseZiolkowski Patent Solutions Group · Co-counsel
- π plaintiffUntitled caseZiolkowski Patent Solutions Group · Partner
- Δ defendantUntitled caseZiolkowski Patent Solutions Group · Lead Counsel
- Δ defendantUntitled caseZiolkowski Patent Solutions Group · Of Counsel
- Δ defendantUntitled caseZiolkowski Patent Solutions Group · co-counsel
- π plaintiffUntitled caseZiolkowski Patent Solutions Group · Counsel
- π plaintiffUntitled caseZiolkowski Patent Solutions Group · lead counsel