Private Practice

Partner, Goldman Ismail Tomaselli Brennan & Baum LLP

Partner, Bartlit Beck Herman Palenchar & Scott LLP

Judicial Clerkship

Honorable Sam Sparks, United States District Judge for the Western District of Texas


University of Michigan Law School (J.D., magna cum laude)

Trinity University (B.A., summa cum laude)

Professional & Community Affiliations

Member, International Association of Defense Counsel

Secretary, National Board of Directors, Step Up

Member, Board of Directors, Friends of Prentice


Bar & Court Admissions

State of Illinois

State of Texas (inactive status)

U.S. Court of Appeals for the Second Circuit, Federal Circuit, Eleventh Circuit

U.S. Court of Federal Claims

U.S. District Court for the Northern District of Illinois

U.S. District Court for the Western District of Texas

Federal Bar Association

Other Experience

U.S. Department of Justice, Attorney General's Honors Program, Trial Attorney

Photo of Shayna S. Cook

Shayna S. Cook

Partner / Chicago

“The excellent Shayna Cook is highly thought of by sources and is well known for her expertise handling complex multi-district litigation proceedings.” - Who’s Who Legal (recognized 2015-2018)

Shayna’s extensive litigation experience, whether as lead counsel in large multidistrict litigation or as trial counsel in individual courts throughout the country, enables her to craft and execute a legal strategy tailored to get her clients the best results. Those results have included successful Daubert challenges leading to the elimination of thousands of cases nationwide and trial wins across the country.  Shayna has also successfully argued key dispositive motions and taken/defended critical fact and expert witness depositions all over the world.  Given her track record, it is no surprise that Shayna is entrusted to represent multinational clients across a wide range of high-stakes product liability, intellectual property, and general commercial litigation matters.

Of Note

Representative Litigation

Mirena IUD Products Liability Litigation

Lead counsel for Bayer in thousands of lawsuits in a federal multidistrict litigation in New York and state courts around the country involving the Mirena® intrauterine device.  After years of fact and expert discovery, the MDL Court excluded all of Plaintiffs’ general causation expert testimony and granted summary judgment to Bayer in July 2016, dismissing more than 1200 cases. 

Lead counsel for Bayer in a separate federal multidistrict litigation in New York. After completing fact and expert discovery related to general causation, will argue Daubert motions in April 2018.

Testosterone Replacement Therapy Litigation

Trial counsel for AbbVie in multidistrict litigation in Chicago.

Ethicon Inc., Pelvic Repair System Products Liability Litigation

Trial counsel for Johnson & Johnson and Ethicon, Inc. in cases alleging personal injuries from the use of pelvic mesh products for the treatment of pelvic organ prolapse and stress incontinence.  Delivered a successful result for Ethicon in trial in federal court in Chicago in August 2017.

Merck v. Apotex

Represent Merck in patent litigation against Apotex in federal court in New Jersey related to nasal spray.

SynchroMed Litigation

National counsel for Medtronic, Inc. in products liability cases nationwide involving the SynchroMed® II Programmable Drug Infusion System.

Berg v. Johnson & Johnson, et al.

Lead trial counsel for Imerys Talc America, Inc. in personal injury case involving ovarian cancer. Court granted summary judgment to Imerys shortly before trial.

Tula Foods v. Kroger et al.

Represented plaintiff Tula Foods, the maker of Better Whey of Life®Greek yogurt, in a 6-week jury trial in Ohio state court. Tula Foods asserted claims of fraud, breach of contract, and misappropriation of trade secrets in suit against The Kroger Co. and Weber Flavors.

Sikorsky Aircraft Corporation v. United States

Trial counsel for Sikorsky in $80 million accounting dispute with the federal government. Won bench trial in Court of Federal Claims.

YAZ/Yasmin Litigation

Trial counsel for Bayer in federal multidistrict litigation, where thousands of plaintiffs alleged personal injuries related to their use of YAZ® and Yasmin®  birth control pills.  Prepared bellwether trial cases for first MDL trials.

Trasylol Litigation

Trial counsel for Bayer in product liability cases involving Trasylol®, a drug used during coronary bypass surgery to prevent excessive bleeding. Prepared cases for trial, including taking and defending key expert and fact witness depositions and arguing motions.  Successfully argued summary judgment motion in bellwether trial case, which the Eleventh Circuit affirmed. 

Sensormatic Electronics Corp. v. The TAG Company US LLC et al.

Trial counsel for Sensormatic (a subsidiary of Tyco International) in patent infringement, trade secret misappropriation and breach of contract suit.  Following a three-week bench trial, the Court entered judgment in favor of Sensormatic on all counts and enjoined defendants from continuing to infringe Sensormatic’s patents.   Affirmed on appeal by the Federal Circuit.

Vioxx Litigation

Defended Merck & Co., Inc. against allegations that its anti-inflammatory medication Vioxx® caused heart attacks.  Trial counsel for Merck in multiple federal MDL trials and California state court trial, resulting in defense verdicts.

Svoboda v. Bayer Corp.

Trial counsel for Bayer in Florida state court trial in PPA litigation, where plaintiff alleged Alka Seltzer Plus® cold medication caused his stroke.  Jury verdict for Bayer.