LinkedIn RSS Facebook Twitter
Allen E. Hoover
“It’s rewarding to be part of a sharply focused yet nimble trial team that can go up against high-profile large firms and consistently come away with the best possible results for our client.”

Allen E. HooverPartner

120 South LaSalle Street
Suite 2100
Chicago, IL 60603VCard
312.577.7007 fax
LinkedInDownload PDF


J.D., University of Illinois College of Law, 1993, magna cum laude
B.S., Chemistry, University of Illinois, 1990B.S., Chemical Engineering, University of Illinois, 1990


Technical Areas

Bar & Court Admissions

IllinoisU.S. Patent and Trademark OfficeU.S. Court of Appeals for the Federal CircuitU.S. District Court for the Northern District of IllinoisTrial Bar of the U.S. District Court for the Northern District of IllinoisU.S. District Court for the Eastern District of Michigan


AV Preeminent® Peer Review Rating, Martindale Hubbell
Named to the Illinois Super Lawyers list for Intellectual Property Law (2005–06, 2015–24)
Named a Leading Lawyer in Illinois in Intellectual Property Law and Patent Law (2021–24)

Allen E. Hoover has focused his practice on patent litigation and contested matters since 1993. He has served as lead counsel in a large number of complex infringement cases involving a broad spectrum of technologies, including the following:

  • Software
  • Technical systems
  • Business methods
  • Computer process control systems
  • Filtration media
  • Biochemical formulations
  • Complex mechanical systems, and
  • Medical devices

In addition, clients have sought Allen’s counsel for sophisticated patent portfolio management and licensing issues. As he describes his approach, “I view patent practice as an integrated discipline that incorporates litigation work, prosecution, and counseling.”


Represents a large medical products company in litigation and other contested matters and leads the Fitch Even team responsible for patent matters for this company.

Serves as patent procedure authority in patent malpractice actions.

Acts as internal counsel to the firm for certain contested matters.

Represents a major European specialty chemicals manufacturer in transactional and opinion matters and leads the Fitch Even team for this client.

Represents one of the world's largest coatings companies, again leading the Fitch Even team for this client.

Has represented a family of industrial food-processing companies for almost 25 years, and leads the Fitch Even team representing them in all patent matters.

Represents one of the paper industry’s largest specialty paper companies for over 20 years, serving as lead counsel in several patent lawsuits and contested matters.

Represented a telecommunications company in a series of patent infringement lawsuits.

Successfully represented major automotive manufacturer, obtaining summary judgment of noninfringement and invalidity on multiple patents.

Represented defense contractor at the Court of Appeals for the Federal Circuit, obtaining affirmance of summary judgment.



  • “So You Think You Know Patent Claims? Advanced Lessons in Patent Drafting and Analysis,” Fitch Even Webinar, with Steven G. Parmelee, February 25, 2016.
  • "Sweeping Changes in U.S. Patent Practice," Chuo University, Tokyo, Japan, April 22, 2014.
  • "Hot Topics in Professional Responsibility: Inequitable Conduct in Patent Case," Chicago Bar Association, June 15, 2012.
  • "Are You Liable for Your Customer’s Infringement?" Fitch Even Webinar, June 9, 2011.
  • Adjunct Professor, University of Illinois College of Law, Patent Defenses course (2011–14)

Hosted on the FirmWisesm Platform | Designed by Charette Design