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Justin B. Weiner*

Of Counsel

(248) 822-7851

Related Services

Business and Commercial

Class Actions

Discovery / Employee Depositions

Securities / Finance

Education

The University of Chicago, The Law School, J.D., with honors, 2007

University of Michigan, B.S. in Biology and Economics, with high distinction, 2004

Judicial Clerkships

Chief Judge Frank H. Easterbrook, U.S. Court of Appeals for the Seventh Circuit, 2007-2008

Judge Milton I. Shadur, U.S. District Court for the Northern District of Illinois, 2011-2012

Court Admissions

Illinois State Courts

Northern District of Illinois

Federal Circuit Court of Appeals

Seventh Circuit Court of Appeals

Third Circuit Court of Appeals

*Admission to Michigan bar pending. Currently practicing under the supervision of Michigan-barred attorneys.

Justin B. Weiner’s practice is focused on complex business litigation, with a particular emphasis on litigation concerning securities / finance and class actions. He also has an extensive background in litigation regarding intellectual property. Justin has experience earning favorable results for his clients in state and federal courts.

  • A global financial institution pursuing multiple RMBS “putback” suits against mortgage originators and other responsible parties in state and federal courts
  • A major medical device company in patent litigation both in the district court and in the United States Court of Appeals for the Federal Circuit
  • A taxi company as lead counsel in adversary proceeding in Northern District of Illinois Bankruptcy Court
  • A major media company in litigation over a $1.8 billion debt refinancing
  • A national moving company in class actions brought by a former employee
  • An amicus brief in the landmark patent case Oil States Energy Services, LLC v. Greene’s Energy Group, LLC in the Supreme Court of the United States
  • A wireless telecommunications company in patent litigation in the United States District Court for the Northern District of Illinois
  • A major auto manufacturer in a products liability case in the Illinois Supreme Court
  • A leading engineering firm in trade secret and unfair competition litigation in New York State Supreme Court
  • A wireless telecommunications company in a breach of contract claim in the United States District Court for the Western District of Missouri
  • A patent infringement suit relating to mobile real-time data technology in the United States District Court for the District of Delaware and the Patent Trial and Appeal Board
  • A natural gas company as defendant in patent infringement case
  • A garment manufacturing company as petitioner in an ITC action
  • A seller of vaping products as respondent in an ITC action
  • Secured acquittal for pro bono client in two-day bench trial for Class X felony in Cook County Criminal Court

Before joining BSP, Justin served as Partner at MoloLamken LLP. He litigated a wide range of commercial cases, managed all aspects of fact and expert discovery, and has extensive courtroom experience. Before MoloLamken, Justin was an Intellectual Property Litigation Associate for Sidley Austin LLP. Justin gained experience within the court system by serving as a Law Clerk for Chief Judge Frank H. Easterbrook of the U.S. Court of Appeals for the Seventh Circuit and Judge Milton I. Shadur of the U.S. District Court for the Northern District of Illinois.

Justin is a graduate of the University of Michigan, where he earned his Bachelor of Science in Biology and Economics, with high distinction. He went on to the University of Chicago, The Law School to earn his J.D., with honors.

Honors & Awards

Benchmark Litigation, 40 & Under Hot List, 2018

Chicago Law Bulletin, 40 Under 40, 2016

Benchmark Litigation, Rising Stars Under 40, 2016

Order of the Coif


Professional Activities

Seventh Circuit Bar Association, Circuit Rider Committee, Illinois Co-Chair and Young Lawyers’ Committee, Member

“High Court Considers Upending Patent Damages,” Law360, January 2018

“‘Patent Dance Ruling Means Sponsors Must Plan Ahead,” Law360, December 2017

For Fun:

Favorite Sport: Skiing

Favorite Activity: Cooking

Favorite TV Show: “The Wire”

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