A passionate advocate for our clients, Jeff brings over 30 years of experience representing the firm's clients. His trial and litigation skills, developed across a broad spectrum of business and complex litigation matters, afford critical leadership in evolving and challenging disputes, ranging from contract disputes to privacy, product liability, negligence, and technology matters, from media and advertising cases to intellectual property litigation.

Representative Matters Include:

  • Fresco, et al. v. ChoicePoint, et al., Case No. CIV 03-61063 (S.D. Fla.) (represented large international data and publishing enterprise in defense of putative 200+ million member nationwide class action alleging violation of the Driver’s Privacy Protection Act; led multi-defendant negotiation team at district and circuit court mediations lasting over nine months)
  • The Procter & Gamble Company v. The Coca-Cola Company, Case No. 1:04-cv-591 (S.D. Ohio) (represented plaintiff in a patent infringement action involving chemical composition of beverage products)
  • Newstex, LLC v. LexisNexis (American Arbitration Association, Dayton, Ohio) (represented respondent in software license dispute involving multi-week arbitration hearing)
  • Novaria Holdings, LLC, et al. v. Ismaela S. Fernandez, Trustee, et al., Case No. N17C-02-160 (Del. Super Ct., Wilmington) (represented defendant in action brought by acquiring company alleging fraud and breach of obligations under asset purchase agreement and to enforce indemnity obligations)
  • In Re: Reed Elsevier Inc. (Federal Trade Commission, Washington, D.C.) (represented respondent in defense of investigation of compliance with federal data protection regulations, and related negotiations and consent proceedings)
  • Kadel v. Dayton Superior Corporation, Case No. 2002-CV-00415 (Montgomery Cty. Common Pleas Ct., Ohio) (represented defendant in shareholder class action)
  • Bear Creek v. Keating Muething & Klekamp PLL and Herbert Weiss, Case No. A1305284 (Hamilton Cty. Common Pleas Ct., Ohio) (represented attorney and law firm in defense of legal malpractice case)
  • Playtex Products Inc. v. The Procter & Gamble Company, Case No. 1:02-cv-391 (S.D. Ohio) (represented manufacturer in patent infringement declaratory judgment action involving tampon applicator technology)
  • Crown Equipment Corporation v. KeHE Distributors, Case No. 3:17-cv-1711 (N.D. Ohio) (represented plaintiff manufacturer in a breach of contract action)
  • Wysong, et al. v. Nagengast, et al., Case No. 3:17-cv-00048 (S.D. Ohio) (represented defendants in religious discrimination and breach of contract dispute)
  • mCUMortgage, LLC v. Cenlar FSB, Case No. 3:18-cv-0091 (S.D. Ohio) (represented defendant in contract dispute involving servicing of residential mortgage loans)
  • Estate of Straughen and McAuliffe v. Juniata College, Case Nos. 2016 EST 015334 and 2017 MSC 00093 (Montgomery Cty. Probate Ct., Ohio) (represented plaintiffs to resolve multi-party will contest)
  • INEOS v. Furmanite Worldwide, Case No. CV2009 0371 (Allen Cty. Common Pleas Ct., Ohio) (represented defendant in action alleging breach of contract, and involving state and federal Clean Air Act alleged violations)
  • McCain v. Lewis, et al., Case No. 1:14-cv-00791 (S.D. Ohio) (represented window manufacturer as antitrust counsel in dispute with competitor manufacturer, and in defense of potential enforcement action by Department of Justice, Antitrust Division)
  • LeBlond Ltd. v. Ulmer & Berne LLP, Case No. 2016 CVC 00645 (Clermont Cty. Common Pleas Ct., Ohio) (represented Ohio-based manufacturer in dispute with its long-time counsel regarding contract and regulatory issues involving company property in Canada)
  • Clark County Solid Waste Management District v. Danis Clarkco Landfill Company, Case No. 94 CV 0226 (Clark Cty. Common Pleas Ct., Ohio) (represented solid waste landfill operator in dispute with commissioners of host county over landfill operation and closure activities)
  • Orcutt v. Kettering Network Radiologists, Inc. (American Arbitration Association, Dayton, Ohio) (represented defendant physician practice group in action brought by terminated physician member alleging religious and gender discrimination and breach of contract; multi-week arbitration hearing)
  • Danis Clarkco Landfill Company v. German Township, et al., Case No. 3:96-cv-00481 (S.D. Ohio) (represented solid waste landfill operator in dispute with host township zoning officials, involving two-week bench trial)
  • Add-On Health System v. Omnicare (American Arbitration Association, Cincinnati, Ohio) (represented plaintiff in dispute over valuation of services and breach of contract issues; multi-week arbitration)
  • Rentz v. Dynasty Apparel Industries, Case No. C-3-96-205 (S.D. Ohio) (represented Florida-based business in contract dispute over proceeds from the manufacture of licensed apparel for U.S. professional sports leagues; multi-week jury trial)
  • Russell v. Reed Elsevier, LexisNexis Division, Case No. 2:03-cv-2040 c/w 2:03-cv-01994 (E.D. La.) (represented defendant in putative class action alleging violations of the federal Driver’s Privacy Protection Act)
  • Williams v. LexisNexis, Case No. 3:06-cv-00241 (E.D. Va.) (represented defendant in putative class action alleging violations of the federal Fair Credit Reporting Act)
  • Avery, et al. v. The Procter & Gamble Company, Case No. 22972-08471 (Missouri State Cir. Ct. of St. Louis Cty.) (represented defendant in intellectual property (inventorship) dispute involving design of packaging and bulk shipping materials)
  • City of Huber Heights v. Ohio Suburban Water Company, et al., Case No. 1994 CV 00485 (Montgomery Cty. Common Pleas Ct., Ohio) (represented defendant water company in dispute over operation of municipal water company)
  • REK McCormick v. Amcast Industrial Corporation, Case No. 1:93-cv-11541 (D. Mass.) (represented industrial manufacturer in defense of claims of product failure relating to catastrophic fire damage)
  • The Kathy L. Mello Trust of 2007, et al. v. WNLI Holdings, Inc., Case No. 1:14-cv-00366 (D.N.H.) (represented several individual defendants in dispute over corporate control and breach of contract issues)
  • Brothers United LLC (represented new business enterprise in conducting due diligence, litigation and regulatory analysis in advance of potential acquisition of health care/food delivery business)
  • Gray, et al. v. AT&T Global Information Solution Company n/k/a NCR Corporation, Case No. 1996-CV-02933 (Montgomery Cty. Common Pleas Ct., Ohio) (represented defendant employer in dispute with former employee over FMLA practices, and wrongful death of minor child)
  • Schmackers v. Crown Equipment Corporation, et al., Case No. 1998 CV 0130 (Auglaize Cty. Common Pleas Ct., Ohio) (represented third-party defendant employer in action alleging permanent injuries due to an industrial workplace accident)
  • Middendorf v. Crown Equipment Corporation (Auglaize Cty. Common Pleas Ct., Ohio) (represented industrial manufacturer in defense of product liability claim; multi-week trial)
  • Chaminade Julienne High School, Dayton, Ohio (serve as outside general counsel to 700-student coed 4-year private Catholic high school co-owned by the Sisters of Notre Dame de Namur, and the Society of Mary (Marianists))

Get in Touch

Jeffrey T. Cox

(937) 227-3704

110 N. Main St., Suite 1600
Dayton, OH  45402

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Litigation Counsel Senior
2023 SuperLawyer_JeffCox

Business and Commercial Litigation


Data Security/Data Breach Litigation


Legal Malpractice Defense


Media and Communications Law


Class Action Defense

Intellectual Property Litigation

False Advertising

Copyright and Trademark Disputes

Patent Infringement Litigation


Environmental Litigation


Products Liability Defense

Best Lawyers in America, Business Litigation


Martindale Hubbel, AV Pre-eminent Rating


America's Top 100 Bet-the-Company Litigators, 2021


SuperLawyer, Ohio and Corporate Counsel editions (2004-present; every year since inception)


Benchmark Litigation - Local/State Litigation Star


Forty Under Forty, Dayton Business Journal, 1998

Supreme Court of the United States


Supreme Court of Ohio


United State District Court for the Northern District of Ohio


United States District Court for the Southern District of Ohio

United States Court of Appeals for the Fourth Circuit


United States Court of Appeals for the Fifth Circuit


United States Court of Appeals for the Sixth Circuit


United States Court of Appeals for the Eleventh Circuit

Federal Bar Association

National Government Relations Committee
Federal Litigation Section Board of Directors

Editor, Federal Litigation Section Newsletter - SideBAR

FBA Professional Ethics Committee

Dayton Chapter, Past President


Ohio State Bar Association

Media Law Committee - Past Member


Dayton Bar Association


Senior Fellow, Litigation Counsel of America


Life Fellow, Dayton Bar Association Foundation


Life Fellow, American Bar Foundation


Life Fellow, Ohio State Bar Foundation


Fellow, Federal Bar Association Foundation

Dayton Lawyers Club

Past President and Trustee


Carl D. Kessler Inn of Court, Past President


American Bar Association, Litigation, Antitrust and Intellectual Property Sections, and Forum on Communications Law


Media Law Resource Center, Past Member

Defense Counsel Section, and Advertising and Marketing Law Committee


Miami Valley Bench Bar Media Forum, Co-Moderator


Cincinnati Bar Association


American Intellectual Property Law Association


Leadership Dayton, Class of 2000

University of Dayton, J.D., 1991

Editor-in-Chief, University of Dayton Law Review, 1990–91

Co-Champion, 1989 Walter Rice Moot Court Competition

“Baldy” Turner Scholar

Miami University, B.A., Diplomacy and Foreign Affairs, 1982

Alpha Tau Omega Fraternity

Miami Men’s Glee Club; President

Campus Activities Council

Interfraternity Council

Miami Valley Public Media, Inc.

            Chair of Board (2021-present)

            Founding Member and Vice Chair (2019-21)


WYSO 91.3 FM – NPR Affiliate

            Board Member (2016-present)


Legal Aid of Western Ohio/Advocates for Basic Legal Equality

Co-Chair, Campaign for Equal Justice (2016-18)


Legal Aid of Western Ohio

50th Anniversary Campaign Cabinet (2017-18)


American Heart Association, Dayton Chapter

Heart Walk Executive Leadership Team (2016, 2017)


Miami University

Pre-Law Advisory Board of Advisors (2010-14)

Chaminade Julienne Catholic High School

Board of Trustees (2006-15)

Board Chair (2012-15)

Outside General Counsel, 2018-present


Church of the Holy Angels

Pastoral Council (1997-2000)

President, Pastoral Council (1999-2000)

Parish Advancement Team (2000-12)


Oak Hill Homeowners Association

President (2010-17)


City of Oakwood

City Council Member (1996-1999)

A Call to Lead – Educating Ethical, Moral Legal Professionals, 25 U. Day. L. Rev. xv (2000)


Industrial Property Transactions and Hazardous Waste Cleanup in America: An Analysis of State Innovations, 15 U. Day. L. Rev. 471 (1990)

Articles published in:

MLRC MediaLawLetter

MLRC Bulletin

Journal of Internet Law

Dayton FBA Newsletter “On the Merits”

FBA Federal Litigation Section Newsletter, “SideBAR”

Ohio State Bar Association, Ohio Lawyer Magazine

Dayton Business Journal

Primerus 180

America Bar Association, Intellectual Property Law Section Report