David M. Tenner


Attorneys Fees
Bad Faith
In-Camera Review
Personal Injury
Product Liability
Professional Liability

David Tenner is a trial lawyer, an arbitrator and a special master appointed by Denver-area trial courts.  His trial practice focuses on the representation of businesses and individuals in both state and federal court and in arbitrations.  He tries complex business, intellectual property and tort cases to both judges and juries.  He also tries complex claims in both domestic and international arbitrations.  Mr. Tenner regularly provides clients with pre-litigation advice focusing on the resolution of disputes prior to the initiation of formal claims.  He represents a broad range of clients; from Fortune 500 companies, to closely-held businesses to individuals.

In addition to being a trial lawyer, Mr. Tenner is an arbitrator, a special master to area courts and a trained mediator.  He is a member of the commercial panel of the American Arbitration Association. Mr. Tenner has been appointed on numerous occasions as a special master in complicated matters pending before both the Denver and Arapahoe District Courts.  These matters range from complicated business and real estate cases to multi-state product liability litigation to employment claims to legal and medical malpractice litigation and limited liability company disputes.  He is a Fellow of the Academy of Court Appointed Masters, where he currently serves on the Board of Directors.

Mr. Tenner has been recognized by his peers on the Colorado Super Lawyers list in the area of business litigation in 2009, 2010, 2011, 2013, 2014, 2015, 2016 and 2017.  He is listed in Best Lawyers in America in the areas of Commercial Litigation and Arbitration.  He received his AV rating from Martindale Hubbell in March 1993, becoming Denver’s youngest AV-rated attorney.  He has been selected as Colorado’s Best Arbitrator by Law Week Colorado for the last five years (2012 – 2016).

Case List


  • Rocky Mountain Joe, Inc. v. City Bark Management Services, Inc., Denver District Court, Case No. 07 CV 6272 (consolidated with 08 CV 883)
  • Nancy Perry v. Bridgestone Firestone North American Tire, LLC, et al., Denver District Court, Case No. 08 CV 2736
  • Charlotte Zolman v. Pinnacol Assurance, Denver District Court, Case No. 08 CV 1002
  • Edward and Constance Thomas v. Countrywide Bank FSB, Denver District Court, Case No. 08 CV 7187
  • Jon and Loretta Raftshol v. Charles Haddock, et al., Denver District Court, Case No. 08 CV 5173
  • Marcia Pinkstaff v. Black & Decker (US) Inc., Denver District Court, Case No. 08 CV 792
  • Greenlee Capital Partners LLLP v. Erik Osborn, Denver District Court, Case No. 08 CV 1079 (consolidated with 08 CV 2521 and 09 CV 10266)
  • Smoky Hill Homeowners Association v. Harris, Arapahoe County District Court Case No. 09 CV 1214
  • Beverly Ann Holder v. Breg, Inc., et al., Denver District Court, Case No. 09 CV 7556
  • Joseph Sena v. Breg, Inc., et al., Denver District Court, Case No. 2010 CV 6765
  • A & A Quality Appliance, Inc., dba Appliance Factory Outlet v. Gray Television Group, Inc., dba KKCO-TV, Denver District Court, Case No. 2011 CV 5719
  • Blaine P. Rollins, et al. v. Rodney C. Atherton, et al., Denver District Court, Case No. 10 CV 9697
  • Mohd Hanieh v. Ahmed Hassan, Denver District Court, Case No. 13 CV 30083
  • Tad S. Rogers v. Forest City Stapleton, Inc. and FC Stapleton II, LLC, Denver District Court,  Case No. 10 CV 6699
  • Martin Acierno v. Catholic Health Initiatives Colorado, et al., Denver District Court, Case No. 12 CV 2482
  • Diana Conrad v. Advanced Flooring Solutions, LLC, et al., Denver District Court, Case No. 14 CV 30845
  • Cameron George, et al. v. Aminokit Laboratories, Inc., et al., Denver District Court, Case No. 14 CV 33064
  • Jeri Comer v. Sharon Hammond, M.D., et al., Denver District Court, Case No. 14 CV 34771
  • Alexander Abiakam v. Stella Hines, M.D., et al., Denver District Court, Case No. 11 CV 5867
  • Alexander Abiakam v. Valerie Imperial, M.D., et al., Denver District Court, Case No. 14 CV 31984
  • Stephen R. Block v. Denver Options, Inc., et al., Denver District Court, Case No. 15CV34460
  • Response Technologies, Inc. v. Integrated Voting Solutions, Inc., et al., Denver District Court Case No. 16 CV 30660
  • Rezco Remodeling and Handyman Services, LLC v. Jami Lynn Terlingen, et al., Denver District Court, Case No. 15 CV 31124
  • Timothy Kuzava and Kathy Jo Kuzava v. American Family Mutual Insurance Co., Denver District Court, Case No. 15CV34098
  • Tiny’s Granite Works, Inc. v. Mountain Resort Interiors Corp., et al., Denver District Court, Case No. 16 CV 30126
  • Represented inventors in claims against a Fortune 500 company for failure to pay royalties and failure to market inventors’ oil waste  remediation technology.
  • Represented lead underwriters of municipal bond securities offering against allegations of securities fraud.
  • Represented subsidiaries of Fortune 500 manufacturing company against allegations of defective manufacturing and defective product design.
  • Represented patient suffering from benzodiazepine addiction in claims against her former physician for psychiatric malpractice and falsification of medical records.
  • Represented Colorado law firm against allegations by former client of legal malpractice and improperly withdrawing as counsel in prior litigation.
  • Represented Colorado law firm in litigation against its former partner for claims arising out the partner's withdrawal from the firm, along with other attorneys and staff.
  • Represented former client in claims of legal malpractice in the handling of client's patent application for waterproofing technology before the United States Patent and Trademark Office.
  • Represented majority shareholders of closely held information technology company against claims of fiduciary duty, minority shareholder oppression and valuation of minority shareholder's interest by former minority shareholder. 
  • Represented home products manufacturing company in litigation brought by former distributor alleging improper termination of distribution agreement.
  • Represented Colorado company and its officers against patent infringement claims concerning RFID technology brought by competitors and competing patent holders. 
  • Advised Fortune 500 company and its in house counsel concerning its investigation of allegations of improper conduct and resulting exposure to the corporation.
  • Represented policyholders in coverage dispute against insurance company concerning coverage for wrongful death claims under motor vehicle policy.
  • Represented policyholders in arbitration claims arising out insurer's failure to pay for treatment of biologically-based mental illness at a residential treatment facility.
  • Represented homeowners association and members of its board of directors against allegations of improper conduct by the board.
  • Represented Colorado aviation company in claims arising out of airplane/bus collision at Denver International Airport.
  • Represented Colorado homebuilding company and its owner in litigation against Colorado savings loan association for lender liability claims arising out of a series of loan modifications and renewals for the building of residential and commercial buildings.
  • Represented sales and management employees of software technology company against claims by their former employer that they breached confidentiality agreements and stole trade secrets when they left the company.
  • Provided expert testimony concerning a lawyer's standard of care, including both pre-trial Daubert hearing and trial testimony, in legal malpractice litigation involving representation of client in underlying eminent domain claim.
  • Pro bono representation of former inmate in his United States District Court claim that he was wrongfully arrested, without probable cause, by the Colorado Springs Police Department.

Honors Membership Awards

  • Colorado Super Lawyers (2009, 2010, 2011, 2013, 2014, 2015, 2016, 2017) (top 100 lawyers in Colorado, 2016)
  • Best Lawyers in America (2017 - Commercial Litigation, 2018, Commercial Litigation and Arbitration)
  • Martindale-Hubble: AV rated (1993)


  • Georgetown University Law Center, J.D., with honors 1985
  • Instructor, Legal Research and Writing
  • Colorado College, B.A. 1981