Jack A. Donenfeld

Jack A. Donenfeld: Attorney with Donenfeld Law, A Legal Professional Association


Jack A. Donenfeld has been practicing law for over 38 years. He and the lawyers and other professionals with whom he collaborates have diverse backgrounds that provide a unique approach to legal matters. In addition to their legal skills, they draw on their experience in investing in businesses and real estate and working in public and private businesses and in government to bring particularly broad and knowledgeable perspectives to matters. This wealth of professional and business experience allows the firm to identify and resolve issues before they become obstacles and to provide truly strategic counsel throughout the course of an engagement.

In addition to working with individuals and companies, Jack Donenfeld regularly advises other lawyers and law firms in connection with claims of legal malpractice and “repairing” mishandled transactions and lawyer-client relationships. He has been engaged as an advisor and expert witness in litigation involving fiduciary duties, securities law claims and securities broker-dealer due diligence standards and has provided expert opinions in business valuation matters in connection with divorces and the purchase of corporate stock and limited liability company interests pursuant to buy-sell agreements.

Areas of Practice (54)

  • Capital Formation and Securities
  • Corporate and Transaction-Oriented Business Law
  • Real Estate Transactions, Project Planning and Finance
  • Wealth Preservation and Trust Planning
  • International Asset Protection
  • Asset Protection
  • Business Law
  • Business Organization
  • Business Planning
  • Business Formation
  • Business Succession Planning
  • Business Start-Ups
  • Business Reorganization
  • Business Transactions
  • Closely Held Business Law
  • International Joint Ventures
  • Entrepreneurial Business Law
  • Emerging Growth Companies
  • Family Business Successions
  • Limited Liability Company Law
  • Joint Ventures
  • Small Business Law
  • Business Acquisitions
  • Leveraged Buyouts
  • Mergers and Acquisitions
  • Family Limited Partnerships
  • Limited Partnerships
  • Partnership Dissolution
  • Partnership Formation
  • Partnership Organization
  • Partnership Syndication
  • Partnership Law
  • Real Estate
  • Real Estate Contracts
  • Real Estate Investment
  • Real Estate Joint Ventures
  • Securities Law
  • Blue Sky Law
  • Private Placement
  • Private Placement Syndication
  • Securities Disclosure
  • Trusts and Estates
  • Estate Planning
  • Family Trusts
  • Family Wealth Transfer
  • Financial Planning
  • Living Trusts
  • Powers of Attorney
  • Trust Law
  • Trust Planning
  • Wealth Planning
  • Wealth Preservation
  • Investment Adviser Law
  • Registered Investment Adviser law

Education & Credentials

Contact Information:
303.482.1800  Phone
513.708.6500  Cell Phone
513.721.1213  Fax
University Attended:
Northwestern University, B.A., with honors, Economics, 1973
Law School Attended:
Boston College Law School, J.D., 1976
Year of First Admission:
1987, U.S. District Court, Southern District of Ohio; 1977, District of Columbia; 1976, Ohio; 2014, Colorado; 1983, U.S. Supreme Court
Boulder Bar Association, Colorado Bar Association, Cincinnati Bar Association, Ohio State Bar Association and American Bar Association; The District of Columbia Bar.
Special Agencies:
Securities and Exchange Commission.
Payment Information:
  • Credit cards accepted
  • Accepts Visa, MasterCard, American Express and Discover

Peer Reviews

  • 5.0/5.0 (1 review)
  • A Martindale-Hubbell Peer Rating reflects a combination of achieving a Very High General Ethical Standards rating and a Legal Ability numerical rating.
  • Legal Knowledge

  • Analytical Capability

  • Judgment

  • Communication

  • Legal Experience


*Peer Reviews provided before April 15, 2008 are not displayed.

Boulder, Colorado

Contact Jack A. Donenfeld

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