Bill Weimer helps clients develop and execute cost-effective, global IP strategies. He brings valuable expertise to each client relationship informed by his significant in-house legal, business and technology experiences. Bill's practice covers various aspects of energy, natural resources—including water, oil and gas—and medical devices.
His expertise includes:
  • Building and managing cost-effective global IP strategies and portfolios to advance clients' business objectives.
  • Completing freedom-to-operate investigations.
  • Drafting patent non-infringement and invalidity opinions.
  • Counseling clients on trade secret protection.
  • Conducting IP due diligence for complex corporate transactions.
  • Negotiating and drafting IP agreements.
  • Supporting and settling patent and trade secret litigation and other disputes, including inter partes patent re-examinations.

In-House Counsel Experience

Bill leverages his prior in-house counsel experience to anticipate, understand and meet client needs, particularly related to business and product/product development concerns. Before joining Faegre Baker Daniels in 2000, he was a senior intellectual property attorney at Imation Corp, where he counseled several operational divisions and staff groups and oversaw many aspects of intellectual property, with an emphasis on global IP strategy, portfolio management, agreements and litigation management; patent opinions and prosecution; and trade secret protection. He negotiated and prepared a variety of IP agreements, including joint development, license, mergers and acquisitions, and confidentiality documents.

Engineering Experience

Before Imation, Bill was a product and process development engineer at 3M for nine years, leading several business initiatives. After earning his law degree, he worked at 3M as a patent attorney. By combining new legal skills with professional business and technology experiences, Bill communicated and worked with 3M's business leaders, technology experts and inventors.


Bar Admissions

U.S. Patent and Trademark Office


Mitchell Hamline School of Law
J.D. magna cum laude (1994)

University of North Dakota
B.S. in Mechanical Engineering (1983)

Insights & Events

Leadership & Community

Firm Leadership

  • Bill leads the water segment of the firm's energy and natural resources industry team.


  • Faegre Baker Daniels — Pro Bono Honor Roll, 2014
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