Counsel registry
Ziolkowski Patent Solutions Group
29 case appearances — 17 as plaintiff counsel · 12 as defendant counsel.
Firm overview
Ziolkowski Patent Solutions Group is an intellectual property (IP) boutique law firm with its main office in Port Washington, Wisconsin, and a branch office in Scottsdale, Arizona. The firm emphasizes its attorneys' engineering backgrounds and states they have prepared and prosecuted thousands of patent applications over more than 50 years of combined experience. The firm identifies itself as specializing solely in intellectual property, including patent, trademark, copyright, and trade secret matters.
The firm's IP litigation practice demonstrates a particular focus on mechanical and electro-mechanical devices, with significant experience in technologies related to power equipment and generators. This is evident through their frequent representation of Champion Power Equipment Inc. in disputes against companies such as Generac Power Systems Inc. and Harbor Freight Tools USA Inc.. Beyond power systems, the firm's attorneys possess technical expertise in diverse areas, including alternative energy technologies, medical imaging, software, electronics, and micro-electronics.
Ziolkowski Patent Solutions Group maintains a balanced litigation portfolio, having appeared in 17 plaintiff-side cases and 12 defendant-side cases. The firm often acts as plaintiff's counsel, primarily for Champion Power Equipment Inc., in patent infringement actions. Notably, they represented Champion Power Equipment Inc. in a case against Harbor Freight Tools USA Inc. involving 13 utility patents related to portable generator and engine technologies, which saw proceedings in both Wisconsin and California. They also successfully opposed a motion to dismiss in CHAMPION POWER EQUIPMENT INC v. GENERAC POWER SYSTEMS INC in the Eastern District of Wisconsin.
The firm also has a noteworthy practice in defending patent owners in Inter Partes Review (IPR) proceedings at the Patent Trial and Appeal Board (PTAB). Partners Timothy J. Ziolkowski and Jacob M. Fritz served as co-counsel in successfully defending Champion Power Equipment Inc. against 13 IPR petitions filed by Generac Power Systems Inc.. In those matters, 9 petitions were denied institution, and the two that were initially instituted were subsequently overturned by the USPTO Director, resulting in a perfect record for the 11 institution decisions received. They were also involved in IPR2025-00805, where institution was denied for a patent challenged by Harbor Freight Tools USA, Inc.
The patent litigation practice is predominantly led by Timothy J. Ziolkowski and Jacob M. Fritz, who are the most active attorneys in the firm's tracked cases. Timothy J. Ziolkowski has appeared in 28 cases, and Jacob M. Fritz in 26 cases, often holding lead or co-counsel roles. Both are Registered Patent Attorneys with strong technical backgrounds in various engineering disciplines. Michael Carton is also a Registered Patent Attorney at the firm.
Attorneys
Roles
- Counsel15
- co-counsel8
- Lead Counsel7
- lead counsel6
- counsel4
- Backup Counsel4
- Co-counsel4
- of counsel, local counsel2
- Counsel for Patent Owner2
- Of Counsel2
- Patent litigation attorney2
- Partner1
- Attorney1
Cases (29)
- π plaintiffChampion Power Equipment Inc. v. Generac Power Systems Inc.Jacob M. Fritz · Counsel
- π plaintiffChampion Power Equipment Inc. v. Generac Power Systems Inc.Timothy J. Ziolkowski · lead counsel
- π plaintiffChampion Power Equipment Inc. v. Generac Power Systems Inc.Timothy J. Ziolkowski · Lead Counsel
- π plaintiffChampion Power Equipment Inc. v. Harbor Freight Tools USA Inc.Timothy J. Ziolkowski · Counsel
- π plaintiffChampion Power Equipment Inc. v. Harbor Freight Tools USA Inc.Timothy J. Ziolkowski · counsel
- π plaintiffChampion Power Equipment Inc. v. Harbor Freight Tools USA Inc.Timothy J. Ziolkowski · co-counsel
- π plaintiffChampion Power Equipment Inc. v. Harbor Freight Tools USA, Inc.Timothy J. Ziolkowski · lead counsel
- π plaintiffChampion Power Equipment Inc. v. Westinghouse Electric Corp. et al.Timothy J. Ziolkowski · Lead Counsel
- π plaintiffChampion Power Equipment Incorporated v. Firman Power Equipment IncorporatedTimothy J. Ziolkowski · Counsel
- π plaintiffChampion Power Equipment Incorporated v. Firman Power Equipment IncorporatedTimothy J Ziolkowski · Patent litigation attorney
- π plaintiffChampion Power Equipment Incorporated v. Firman Power Equipment IncorporatedTimothy J. Ziolkowski · Lead Counsel
- Δ defendantChampion Power Equipment Incorporated v. Firman Power Equipment IncorporatedTimothy J. Ziolkowski · lead counsel
- π plaintiffChampion Power Equipment, Inc. v. Generac Power Systems, Inc.Timothy J. Ziolkowski · Counsel
- π plaintiffGenerac Power Systems, Inc. et al. v. Champion Power Equipment, Inc.Timothy J. Ziolkowski · Backup Counsel
- Δ defendantGenerac Power Systems, Inc. et al. v. Champion Power Equipment, Inc.Timothy J. Ziolkowski · Co-counsel
- Δ defendantGenerac Power Systems, Inc., et al. v. Unknown Patent OwnerJacob M. Fritz · Counsel
- Δ defendantHarbor Freight Tools USA Inc. et al. v. Champion Power Equipment, Inc.Timothy J. Ziolkowski · Backup Counsel
- Δ defendantHarbor Freight Tools USA, Inc. v. Champion Power Equipment Inc.Jacob M. Fritz · Counsel
- Δ defendantHarbor Freight Tools USA, Inc. v. Champion Power Equipment, Inc.Timothy J. Ziolkowski · of counsel, local counsel
- Δ defendantHarbor Freight Tools USA, Inc. v. Champion Power Equipment, Inc.Timothy J. Ziolkowski · co-counsel
- Δ defendantMWE Investments LLC v. Champion Power Equipment Inc.Timothy J. Ziolkowski · co-counsel
- Δ defendantUnified Patents v. Advanced Integrated Circuit Process LLCTimothy J. Ziolkowski · Counsel for Patent Owner
- π plaintiffUntitled caseTimothy J. Ziolkowski · Co-counsel
- π plaintiffUntitled caseTimothy J. Ziolkowski · Partner
- π plaintiffUntitled caseTimothy J. Ziolkowski · Counsel
- π plaintiffUntitled caseTimothy J. Ziolkowski · lead counsel
- Δ defendantUntitled caseTimothy J. Ziolkowski · Lead Counsel
- Δ defendantUntitled caseTimothy J. Ziolkowski · Of Counsel
- Δ defendantUntitled caseTimothy J. Ziolkowski · co-counsel