| 2026-07-24 | United States | Filed / under investigation | Novo escalates Lilly false advertising suit with planned bid to halt comparative ads Fierce Pharma | — |
| 2026-07-21 | United States | Filed / under investigation | Novo Nordisk sues rival Eli Lilly over weight loss drug advertising The Hill + 7 more reports | — |
| 2025-09-11 | United States | Filed / under investigation | Ronald Streck v. Eli Lilly and Company Court of Appeals for the Seventh Circuit + 5 more reports | — |
| 2025 | United States | Judgment for company / dismissed | In August 2025, U.S. District Judge Karen Marston issued the first substantive rulings in that multidistrict litigation, dismissing several claims while allowing the core allegations to proceed. The c Wikipedia: Eli Lilly and Company（Legal issues） + 1 more reports | — |
| 2025 | United States | Filed / under investigation | In August 2025, Texas sued Lilly for allegedly "bribing" providers to prescribe Mounjaro and Zepbound. Lilly allegedly offered illegal incentives to medical providers in Texas, including "free nurses" Wikipedia: Eli Lilly and Company（Legal issues） | — |
| 2024 | United States | Filed / under investigation | In February 2024, the U.S. Judicial Panel on Multidistrict Litigation ordered that more than 50 lawsuits involving Ozempic and Mounjaro be centralised in the Eastern District of Pennsylvania . Court f Wikipedia: Eli Lilly and Company（Legal issues） + 1 more reports | — |
| 2023 | United States | Filed / under investigation | In August 2023, one of the first lawsuits was filed alleging that Novo's Ozempic (semaglutide) and Eli Lilly's Mounjaro caused severe gastrointestinal side effects, including gastroparesis . The lawsu Wikipedia: Eli Lilly and Company（Legal issues） + 1 more reports | — |
| 2021-07-07 | United States | Filed / under investigation | Health Choice Alliance v. Eli Lilly Court of Appeals for the Fifth Circuit | — |
| 2021 | United States | Settlement | In March 2021, Eli Lilly and Company was accused of sex discrimination by a former lobbyist who claimed she was forced to work in a sexually hostile work environment. The parties involved settled for Wikipedia: Eli Lilly and Company（Legal issues） | — |
| 2021 | United States | Filed / under investigation | In September 2021, Eli Lilly and Company was accused in a federal court lawsuit of discriminating against older applicants for sales positions based on their implementation of hiring quotas for millen Wikipedia: Eli Lilly and Company（Legal issues） | — |
| 2018-06-15 | United States | Other | Eli Lilly and Company v. Arla Foods USA, Inc. Court of Appeals for the Seventh Circuit + 1 more reports | — |
| 2017-01-12 | United States | Filed / under investigation | Eli Lilly and Company v. Teva Parenteral Medicines Court of Appeals for the Federal Circuit | — |
| 2016-11-22 | United States | Filed / under investigation | Lawton Ex Rel. United States v. Takeda Pharmaceutical Co. Court of Appeals for the First Circuit | — |
| 2015-12-15 | United States | Other | Anderson v. Eli Lilly & Co. Ohio Court of Appeals | — |
| 2015-05-13 | United States | Filed / under investigation | Terada v. Eli Lilly and Company Appellate Court of Illinois | — |
| 2014-11-25 | United States | Guilty plea / conviction | Fifth Defendant In Eli Lilly Warehouse Theft Case Pleads Guilty U.S. Department of Justice | — |
| 2014-11-05 | United States | Guilty plea / conviction | Two Florida Men Admit Participating In Multimillion Drug Theft From Eli Lilly Warehouse In Enfield U.S. Department of Justice | — |
| 2014-05-02 | United States | Guilty plea / conviction | Florida Man Involved In $80 Million Drug Theft From Eli Lilly Warehouse In Enfield Pleads Guilty U.S. Department of Justice | — |
| 2014-04-22 | United States | Filed / under investigation | Three More Florida Men Charged In $80 Million Drug Theft From Eli Lilly Warehouse In Enfield U.S. Department of Justice | — |
| 2013-09-09 | United States | Guilty plea / conviction | Eli Lilly Warehouse Thief Admits Participating In Additional Multimillion Dollar Burglaries U.S. Department of Justice | — |
| 2013 | United States | Settlement | DES litigation continued for decades. In 2013, Lilly reached an undisclosed settlement during a federal trial brought by four sisters who alleged that their breast cancers resulted from DES their moth Wikipedia: Eli Lilly and Company（Legal issues） + 1 more reports | — |
| 2013 | Canada | Judgment against company | In September 2013, Eli Lilly sued Canada for violating its obligations to foreign investors under the North American Free Trade Agreement by allowing its courts to invalidate patents for Atomoxetine ( Wikipedia: Eli Lilly and Company（Legal issues） + 1 more reports | — |
| 2012-08-03 | United States | Judgment for company / dismissed | Paul Schilf v. Eli Lilly & Company Court of Appeals for the Eighth Circuit | — |
| 2010-09-10 | United States | Other | UFCW LOCAL 1776 v. Eli Lilly and Co. Court of Appeals for the Second Circuit | — |
| 2009-08-28 | United States | Filed / under investigation | Earl v. Eli Lilly & Co. District Court, E.D. New York | — |
| 2009-07-31 | United States | Other | Head v. Eli Lilly & Co. District Court, E.D. New York | — |
| 2009 | United States | Settlement | 2009 | Eli Lilly | $1.4 billion | Off-label promotion | Zyprexa | False Claims Act, FDCA Wikipedia: List of largest pharmaceutical settlements + 6 more reports | $1.4 billion / $1.415 billion / $515 million / $800 million |
| 2008-09-05 | United States | Filed / under investigation | UFCW Local 1776 & Participating Employers Health & Welfare Fund v. Eli Lilly & Co. District Court, E.D. New York | — |
| 2008-08-22 | United States | Judgment for company / dismissed | Rimbert v. Eli Lilly and Co. District Court, D. New Mexico | — |
| 2008-04-30 | United States | Other | In Re Zyprexa Products Liability Litigation District Court, E.D. New York | — |
| 2008-01-29 | United States | Filed / under investigation | Ebel v. Eli Lilly and Co. District Court, S.D. Texas | — |
| 2008 | United States | Settlement | In March 2008, Lilly settled a suit with the state of Alaska, and in October 2008, Lilly agreed to pay $62 million to 32 states and the District of Columbia to settle suits brought under state consume Wikipedia: Eli Lilly and Company（Legal issues） + 1 more reports | $62 million |
| 2007-09-04 | United States | Filed / under investigation | Utah v. Eli Lilly and Co. District Court, D. Utah | — |
| 2007-06-28 | United States | Other | UFCW Local 1776 v. Eli Lilly & Co. District Court, E.D. New York | — |
| 2007-06-27 | United States | Filed / under investigation | Pennsylvania v. Eli Lilly & Company, Inc. District Court, E.D. Pennsylvania | — |
| 2007-06-11 | United States | Judgment for company / dismissed | Souther v. Eli Lilly & Co. District Court, E.D. New York | — |
| 2006 | United States | Settlement | In 2006, Lilly paid $700 million to settle around 8,000 of these lawsuits, and in early 2007, Lilly settled around 18,000 suits for $500 million, which brought the total Lilly had paid to settle suits Wikipedia: Eli Lilly and Company（Legal issues） + 1 more reports | $700 million / $500 million / $1.2 billion |
| 2005-12-12 | United States | Filed / under investigation | Eli Lilly and Co. v. Zurich American Ins. Co. District Court, S.D. Indiana | — |
| 2005 | United States | Guilty plea / conviction | In December 2005, Eli Lilly and Company pleaded guilty and paid $36 million in connection with the illegal promotion of Raloxifene (Evista), a medication typically used to prevent and treat osteoporos Wikipedia: Eli Lilly and Company（Legal issues） + 1 more reports | $36 million |
| 1995-07-28 | United States | Filed / under investigation | Forsyth v. Eli Lilly and Co. District Court, D. Hawaii | — |