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Donald Jon Ersler
About Donald
Biography
Don Ersler is a patent attorney with 20 years of experience in patent law, plus bachelor degrees in mechanical and electronic engineering, 12 years of design engineering experience, and a juris doctor in law. Mr. Ersler has the know-how and skills to write the strongest possible patent application and work around prior art. Mr. Ersler also offers patent searching, patent infringement analysis, patent litigation, trademark prosecution and trademark litigation, all at a reaonsable price.
Practice Areas
4
Practice Areas
Patent Application
85%
31 years | 500 cases
Litigation
5%
31 years | 20 cases
Patent Infringement
5%
31 years | 40 cases
Trademark Application
5%
31 years | 200 cases
Fees and Rates
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Chat withLicenses
Licensed in Wisconsin for 31 years
State: Wisconsin
Acquired: 1994
No misconduct found
Location
Donald J. Ersler, S. C.
1165 Terrace Drive., Elm Grove, WI, 53122
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Donald Jon Ersler's Reviews
Avvo Review Score
4 Client Reviews
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Practice Areas
Showing 1 - 1 of 1 review | Practice Area Knowledge
Posted by Robert | February 25, 2019 | Hired Attorney | Intellectual Property
TOOLS TO PATENT TO IS STORES
I have been inventing for 60 years MR. Ersler is my third patent attorney He gets it done many patent claims Mr Ersler has filed 12 patents for me 3 has went to market Two with LOWES new style Vise Grip Pliers one with Rockler Wood A Sawhorse clamp You cant go wrong w...
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Experience
Work Experience
1995 - Present
Owner, Donald J. Ersler, S. C.
Associations
2008 - Present
Waukesha County Bar Association
Education
1993
University of Detroit Mercy School of Law
JD - Juris Doctor
N/A
University of Wisconsin, Milwaukee
BS - Bachelor of Science
Languages
English
Activity
Legal Answers