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

Adjunct Professor of Law at Northwestern University School of Law: Teach “Trial Technology: High Tech Trial Techniques” class on the use of technology at trial and in preparation for trial.

Member, International Association of Defense Counsel

Vice Chair, Board of Directors, Step Up Women's Network


Bar & Court Admissions

State of Illinois

State of Texas (inactive status)

U.S. Court of Appeals for the 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

Other Experience

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

Photo of Shayna S. Cook

Shayna S. Cook

Partner / Chicago

Shayna prepares high-stakes cases for trial in state and federal courts across the country.  From pre-suit investigation through fact and expert discovery and a verdict at trial, Shayna’s trial experience enables her to craft a strategy tailored to achieve the best result.

Shayna represents multinational clients in a variety of commercial litigation, including intellectual property, product liability, and contract disputes. In addition to trying cases, Shayna's expertise extends to taking and defending fact and expert witnesses’ depositions, negotiating with opposing counsel, and preparing and arguing key motions such as motions in limine and summary judgment motions.

Of Note

Recognized as one of 2013 Top 100 Under 50 Diverse Executive Leaders, Diversity MBA Magazine

Recognized as one of Illinois’ “Rising Stars” for 2013, Super Lawyers, Chicago Magazine

ACI Drug and Medical Device Litigation Conference, December 2011: “Avoiding New Litigation Pitfalls Arising from Emergent Social Media.”

International Association of Defense Counsel Webinar, October 2011: “The Relevance of the FDA in Pharmaceutical Products Liability Trials in the Post-Levine World.”

Representative Litigation

In re: Mirena® IUD Products Liability Litigation

Lead counsel for Bayer in federal and state litigation involving the Mirena® intrauterine device.

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.

Vioxx® Governmental Action Cases

National counsel and trial counsel in several actions brought by State Attorneys General against Merck Sharp & Dohme Corp. relating to Vioxx®.

Sikorsky Aircraft Corporation v. United States

Trial counsel for Sikorsky in $80 million accounting dispute with the federal government.  Government alleged Sikorsky’s method of accounting for certain overhead costs violated requirements of the federal Cost Accounting Standards. Won bench trial in Court of Federal Claims in October 2012.

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 in spring 2012. On the eve of trial, the MDL judge referred the litigation to mediation.

In re: Trasylol® Cases

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.  Deposed plaintiff’s main FDA regulatory expert and prepared for Daubert hearing, where witness testified live. As a result, the MDL Judge excluded the expert from testifying at trial. Successfully argued summary judgment motion in bellwether trial case, which the Eleventh Circuit affirmed.  Other bellwether trial cases settled favorably shortly before trial.

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.

Ledbetter v. Merck & Co.

Trial counsel for Merck in Texas state court case involving Vioxx® pain relief medication. Plaintiff alleged Vioxx® caused her heart attack. Shortly before first trial in consolidated Texas state court proceeding, the Court granted summary judgment to Merck.

Mason v. Merck & Co.

Trial counsel for Merck in federal MDL case involving Vioxx®.  Plaintiff alleged Vioxx® caused his heart attack. Two-and-a-half week jury trial in New Orleans federal court. After 90 minutes of deliberation, jury returned a complete verdict for Merck.

Grossberg v. Merck & Co.

Trial counsel for Merck in first California state court case involving Vioxx®. Plaintiff alleged Vioxx® caused his heart attack.  After a six week jury trial in Los Angeles, the jury returned a complete defense verdict for Merck.

Plunkett v. Merck & Co.

Trial counsel for Merck in first federal Vioxx® trial in the country. Plaintiff alleged Vioxx® caused her husband’s heart attack and death.  After two week jury trial in Houston federal court, where the MDL was moved after Hurricane Katrina, jury deadlocked 8-1 in favor of Merck.  A two-week retrial in New Orleans federal court resulted in a unanimous jury verdict for Merck.

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.