Jonathan Sar

Founding Partner

Attorney Jonathan S. Sar is a founding partner with the Leventhal Sar Law law firm in Denver, Colorado. A highly rated and award-winning attorney, Mr. Sar devotes his practice to helping those who suffered an injury or loss as the result of someone else’s negligence or wrongdoing, as well as policyholders whose insurance companies have unreasonable delayed or denied benefits.

Over the course of his career, Mr. Sar has helped recover millions of dollars on behalf of those adversely affected by motor vehicle accidents, dangerous property conditions, dog bites, medical malpractice and other preventable tragedies. Mr. Sar has also developed extensive expertise in the area of insurance bad faith litigation, with an emphasis on property damage claims. Mr. Sar has developed a reputation as a skilled, responsive, and effective advocate who gets favorable results for his clients.

In addition to handling all types of personal injury and wrongful death claims, Mr. Sar has significant business law experience. He has helped numerous business clients with their needs, involving entity formation, mergers and acquisitions, negotiation of commercial contracts, and other related matters.

Overview & Contact



  • California
  • Colorado

Background & Education

A 2004 summa cum laude graduate of Dartmouth College, Mr. Sar attended Harvard Law School, where he obtained his Juris Doctor, cum laude, in 2008. He then received his license to practice in California and practiced for several years with one of the most prominent law firms in Los Angeles before relocating to his home state of Colorado. In 2012, he received his license to practice from the Colorado Bar Association and continued to hone his legal skills at another area law firm before helping to establish Leventhal Sar Law in 2015.

Recognized for his impeccable professionalism and exceptional service, Mr. Sar has received several awards and honors, including being named as one of the country's Top 40 Under 40 by The National Trial Lawyers in 2016. He is also Lead Counsel verified, and he received the Avvo Clients' Choice award in 2016. Mr. Sar has been recognized on the Super Lawyers list as a “Rising Star” from 2016 through 2020. Super Lawyers is a rating service of outstanding lawyers from more than 70 practice areas who have attained a high degree of peer recognition and professional achievement. The annual selections are made using a patented multiphase process that includes a statewide survey of lawyers, an independent research evaluation of candidates, and peer reviews by practice area. The Rising Stars list recognizes no more than 2.5 percent of attorneys in each state.

Mr. Sar maintains an active presence in his community, and he is a member of the American Bar Association and the Colorado Trial Lawyers Association as well as the Colorado Bar Association. Mr. Sar is a member of the Board of Trustees of Denver Jewish Day School.


Jonathan is a member of the following associations:

Jonathan is admitted to practice law in California and Colorado.

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