Michael R.Shumaker (Mike)

Firm Administrative Partner

华盛顿 + 1.202.879.4676

Mike Shumaker has more than 30 years of experience in commercial litigation, focusing his practice on antitrust, corporate fraud, RICO, class action defense, and U.S. trade and customs investigations. He is commonly tasked with the day-to-day management of complex, often joint defense, litigation matters. Mike is also the Firm Administrative Partner with responsibility for the Firm's administrative functions across all Jones Day offices worldwide.

Significant matters in which Mike has played a central role in the representation include the successful defense of IBM Corporation against RICO claims brought by a disgruntled former business partner, the government challenged acquisition of GE Appliance by Electrolux, the prosecution of retailers and wholesalers for fraudulently abusing the cigarette marketing programs of R.J. Reynolds Tobacco Company, and the defense of alleged tire-caused rollovers for Bridgestone Firestone. Mike is currently serving as co-lead counsel to Sanofi in the myriad of cases filed in federal and state courts related to insulin pricing.


  • Sanofi defeats class certification in putative nationwide consumer class actionThe United States District Court for the District of New Jersey recently denied a motion for class certification brought by plaintiffs seeking to represent all consumers nationwide who purchased insulin products sold by Jones Day’s client Sanofi-Aventis U.S. LLC.
  • Cable company wins favorable U.S. Supreme Court ruling denying plaintiff’s "sham litigation" appealThe U.S. Supreme Court on April 23, 2018, denied the request of a Puerto Rican telecommunications company to hear the appeal of its claims against Jones Day client San Juan Cable, a subsidiary of Liberty Global (the world's largest international TV and broadband company), bringing an end to the long-running antitrust case. 
  • Eight years after original hearing, Jones Day secures asylum on remand for Guatemalan gay manIn December 2006, at just 17 years old, C.C. fled to the United States after three armed men threatened, kidnapped, beat, raped, and nearly killed him simply because he is gay.
  • Liberty Global defends antitrust class action brought by cable services subscribersJones Day is defending Liberty Global, Inc. subsidiary Liberty Cablevision of Puerto Rico in an antitrust lawsuit in which the plaintiff alleges monopolization and exclusionary conduct in a claimed market for cable television services in Puerto Rico.
  • Electrolux attempts acquisition of GE appliances businessJones Day represented Swedish appliance maker AB Electrolux as antitrust and labor counsel in its attempted $3.3 billion acquisition of the appliances business of General Electric.
  • Yazaki defends against automotive wire harness antitrust class actionsJones Day represents Yazaki North America and Yazaki Corporation in connection with numerous antitrust class action complaints alleging that Yazaki and other auto parts manufacturers violated the Sherman Act by engaging in bid-rigging and price-fixing in sales of automotive wire harnesses and related products.
  • Saudi corporations and individuals prevail in Second Circuit in multi-district tort litigation relating to September 11, 2001 attacksJones Day successfully represented eight Saudi corporations and individuals in multi-district litigation relating to the September 11, 2001 attacks in the United States.
  • Yazaki defends against antitrust investigationsJones Day represented Yazaki Corporation and its U.S. subsidiary, Yazaki North America, Inc. ("YNA"), in connection with a criminal antitrust investigation by the U.S. Department of Justice into alleged bid rigging and price fixing related to automotive wire harnesses and certain so-called "related products," carried out at the same time as similar investigations by foreign antitrust enforcers in Japan, Europe and Canada.
  • Maternal great-aunt is granted continued custody of 14 year old she has cared for since birth and permission to move out of state with childThrough its partnership with the Children's Law Center the firm became involved in representing a maternal great-aunt in a custody dispute over a 14 year old child the great-aunt had cared for since birth.
  • Custody case ends successfullyJones Day lawyers Alexandria Mihalcik and Mike Shumaker successfully represented Client X in seeking legal and physical custody of a six year old child in D.C. Superior Court before Judge Michael Ryan.
  • HCA defends antitrust class action over compensation for registered nursesJones Day defended HCA, Inc. against antitrust class action litigation brought by registered nurses alleging a conspiracy to fix nurses' wages.
  • CITIC issues $1 billion of Senior Notes in a Rule 144A and Regulation S offeringJones Day advised CITIC Resources Holdings Limited in connection with $1 billion of 6.75% Senior Notes in a Rule 144A and Regulation S offering, initial purchasers Bear Stearns and Morgan Stanley.
  • Ascension Health defends antitrust class action lawsuits related to nurse compensationJones Day defended Ascension Health and two health system subsidiaries against antitrust class action lawsuits alleging conspiracies with competing hospitals to suppress nurse compensation.
  • R.J. Reynolds Tobacco summary judgment in Tennessee price discrimination case by cigarette wholesalers is affirmed by Sixth CircuitJones Day successfully defended R.J. Reynolds Tobacco Company (RJR) in response to Robinson-Patman claims filed in the United States District Court for the Eastern District of Tennessee by more than 20 cigarette wholesalers.