Contact Patent Attorney Donald Ersler, S.C.

Do you have a question about patents?

Email or call 877-745-8664

As your patent agent, Don will quote a flat fee for all legal needs related to obtaining your patent, like invention licensing, so you will know all legal costs before you start. Don works with inventors, design departments, and corporate attorneys in the USA and around the world from his office near Milwaukee, Wisconsin, USA.


Phone: 877.745.8664

Phone: 262.785.0160 (Milwaukee)

Fax: 262.785.0162

Mailing Address:

1165 Terrace Drive

Elm Grove, WI 53122

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