Deanna L. Keysor primarily focuses her practice on a variety of intellectual property litigation work, including patents, trademarks, false advertising, copyrights, and trade secrets. She also has experience appellate litigation, particularly in the United States Court of Appeals for the Federal Circuit. Additionally, she has experience in civil antitrust litigation matters involving various industries, including the paper product, board of exchange, and credit card industries. Her practice includes all aspects of general litigation, from pre-filing through trial and appellate briefing to each stage of discovery, including deposition practice, the management of electronic document production, briefing, and arguments before the court. Additionally, she has experience in arbitration proceedings, particularly under the American Arbitration Association rules.

Ms. Keysor has litigated intellectual property rights for technologies including mechanical devices and processes, pharmaceuticals, medical devices, and computer software, among others. Through her career, she has litigated multiple cases arising from the medical device, pharmaceutical, computer software, and automotive industries.

Prior to joining the firm, Ms. Keysor served as a judicial clerk for the Hon. Alan E. Norris on the United States Court of Appeals for the Sixth Circuit.

Experience

  • Automotive parts manufacturer as litigation counsel in copyright and trade secret litigation in the Northern District of Illinois. Litigation ongoing.
  • Automotive parts manufacturer as litigation counsel in trade secret litigation in the Northern District of Illinois. A settlement was secured.
  • Electronic products manufacturer as litigation counsel in a false advertising litigation in the Northern District of Illinois. A settlement was secured.
  • Large office products company in defense against a claim of false advertising for the use of an allegedly misdescriptive trademark in connection with the sale of label products. The client obtained a complete summary judgment in its favor.
  • Marine purification systems manufacturer in a successful effort to stop competitors from infringing the client's trademark.
  • Mobile phone carrier in a trademark infringement action against a competitor. A settlement was secured.
  • Medical products manufacturer in a false advertising action involving the client's representations to physicians. A settlement was secured.
  • Large restaurant franchisor in a trademark infringement action against a terminated former franchisee. A settlement was secured.
  • Motorcycle manufacturer in a trademark infringement claims against a company using the client's logo on merchandise bags. Complete summary judgment was awarded to the client.
  • Electronic trading firm in a Lanham Act claim against a former vendor based on false claims of sponsorship. A settlement was secured.
  • Genetically modified seed manufacturer in a false advertising claim. A settlement was secured.
  • Sports drink manufacturer in a false advertising claim against a competitor. A settlement was secured.
  • Defendant as litigation counsel in copyright litigation in the Northern District of Illinois involving home décor products.
  • Defendant as litigation counsel in trade secret and misrepresentation litigation in the District of Massachusetts involving automotive components. A settlement was secured.

Recognition

Chambers USA
Intellectual Property (Illinois) (2015-2017)

Credentials

Education
  • JD, Yale Law School, 1999
  • BA, Zoology and English Literature, Miami University, 1996, summa cum laude
Admissions
  • Illinois
  • US Court of Appeals for the Sixth Circuit
  • US Court of Appeals for the Federal Circuit
  • US District Court, Northern District of Illinois
Clerkships
  • United States Court of Appeals, Sixth Circuit
Overview

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