Prior to joining Blackwell Burke P.A., Peter Estall served as a law clerk to the Honorable Kim R. Gibson, Judge of the United States District Court for the Western District of Pennsylvania, and the Honorable Nancy E. Brasel, Judge of the United States District Court for the District of Minnesota.  He previously worked as a mechanical engineer before entering law school, where he designed agricultural processing equipment.

A graduate of the University of Minnesota Law School, Mr. Estall served as a student legal writing instructor, a Note and Comment Editor of the Minnesota Law Review, a research assistant to several professors, and participated in the Thurgood Marshall Memorial Moot Court.

When he is not zealously representing clients, Mr. Estall enjoys running, playing soccer, baking, and reading.

Representative Cases

  • In Re: Bair HuggerTMMDL Summary Judgement Victory. Won a landmark victory for 3M Company in the federal Bair HuggerTM Multidistrict Litigation (MDL) securing the dismissal of one of the 10 largest MDLs in the country. The MDL court dismissed the more than 5,000 cases against 3M after it entered summary judgment for 3M and granted the firm’s motion to exclude the opinions of the plaintiffs’ experts.  Measured by the number of cases dismissed, the summary judgment win represents one of the largest-impact defense wins in history.
  • Gareis v. 3M Company (Bair Hugger™).Won a complete defense verdict for one of the world’s largest global innovation manufacturing companies in the first product liability multidistrict litigation (MDL) bellwether trial in Minnesota Federal District Court. The jury agreed with the defense that the warming device did not cause surgical site infections. This case is one of more than 5,000 cases in the Minnesota MDL all involving numerous complex novel scientific legal issues. Also secured dismissal of all Minnesota State cases, prevented Plaintiffs from adding punitive damages, won a significant motion to compel, securing more than $11,000 in fees and costs for client. The verdict was widely covered in the media.


Publications & Presentations

  • Venerunt, Viderunt, Vicerunt Venue: How Tc Heartland and in Re Cray Have Conquered Patent Venue for Corporate Defendants and How Congress Can Balance the Scales of Patent Venue Justice, Minnesota Law Review (2019)