E-mail: egrumbles@grumbleslaw.com | Phone: 612-465-8090 | Mobile: 651-491-3643

Ernest is an IP and business attorney representing innovation-driven startups and entrepreneurs. He works with early-stage clients to identify and protect patent, trademark and copyright assets and to launch, develop and finance high-growth enterprise.

Ernest has deep experience in the software, life science, outdoor recreation and electronic gaming verticals and is currently assisting clients in the following spaces: network security, mobile apps, food delivery, personal memory management, e-learning, medical device, MMORPG games, online communities (youth employment, fishing/hunting), camera and mobile phone accessories, advanced control systems, digital marketing, health IT, database management and clothing (t-shirts; menswear).

As co-founder and leader of MOJO Minnesota, Ernest advocates for the Minnesota startup and innovation community. MOJO, a cooperative of entrepreneurs, VCs, angel investors and startup advisors, launched in 2009 and has been working to make Minnesota a strong place to launch and fund new innovative enterprise. Ernest is also a co-founder and Advisory Board member of the Gopher Angels, Minnsota's largest angel investor group. He has served as a business judge in the Minnesota Cup, Startup Weekend Twin Cities, BizPitch (Univ. of MN) and the Fowler Business Concept Challenge (Univ. of St. Thomas).

Other Facts

• Native of Dallas, TX (home of good BBQ); graduate of Boston College (1989) and University of Wisconsin Law School (1995)
• Co-inventor on U.S. Patent No. 8544341 (fluid-based recreational electronic device), issued in October 2013
• Co-founder in startups working on mental health diagnostics and fluid-based recreational electronic devices (see above)
• Twitter feed on new IP, technology and startup developments; burger blog at
• AV peer review rating by Martindale-Hubbell; 2015 Minnesota SuperLawyer.