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
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J.D., University of Illinois, 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 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, 2015–18)

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 major medical manufacturer in litigation and other contested matters, and leads a large Fitch Even team responsible for patent matters for this company.

Has represented a family of industrial food-processing companies for over 20 years, and leads the Fitch Even team representing them in all patent matters.

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

Has represented 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.

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

Served as patent procedure expert in patent malpractice actions.

ImageCube LLC v. The Boeing Co. (N.D. Ill. 2011). Represented Boeing and a supplier in a patent infringement action. Obtained summary judgment of noninfringement and successfully defended the judgment on appeal.

Chamberlain Group, Inc. and Johnson Controls Interiors LLC. v. Lear Corp. (N.D.Ill. 2009). Represented Chamberlain in a patent infringement action involving garage door openers. Settlement reached.

Weather Central v. Reinhard Boerner (W.D. Wisc. 2009). Represented Weather Central in case involving computer graphics technology. Settlement reached.

Solaia Tech LLC v. Appleton Papers Inc. (N.D. Ill. 2004). Represented a paper manufacturer in patent infringement litigation on electronic process controllers. Reached a successful settlement.


  • “So You Think You Know Patent Claims? Advanced Lessons in Patent Drafting and Analysis,” Fitch, Even, Tabin & Flannery 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, Tabin & Flannery Webinar, June 9, 2011.
  • Adjunct Professor, University of Illinois College of Law, Patent Defenses course (2011–14)

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