Members
Donald J. Ersler, S.C.
Donald J. Ersler, S.C. offers patent writing and filing; patent searching and evaluation; patent infringement opinions; patent litigation; trademark filing; trademark searching;
advice for designing around patented products; Pro se Patent Help; and Pro se Trademark Help.
Website: itspatentable.com
Contact Information
Donald J. Ersler
1165 Terrace Drive., Elm Grove, WI 53122
Elm Grove, Wisconsin 53122
Tel: 262.785.0160
Email: Contact Us