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Jonathan N. Portner Serving Clients Throughout Maryland, Virginia & Washington , D.C.
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Jonathan N. Portner

Managing Partner
  • Profile
  • Awards
  • Bar Admissions
  • Practice Areas
  • Associations

Mr. Portner is the Managing Partner of Portner & Shure, P.A. and is licensed to practice law in Maryland, Virginia, and Washington, D.C. He represents clients in matters of criminal defense, personal injury, including motor vehicle accidents, medical malpractice, workers' compensation, and drug and medical device injuries. Mr. Portner supervises Portner & Shure’s seven fully staffed offices, a staff of fifty and five lawyers. Every week he is involved in helping to recover over $500,000 in settlements and trial awards against the major insurance companies and oversees a law firm that has now recovered over $400 million dollars. Further, Mr. Portner is routinely in court or advising in serious criminal matters throughout Maryland, Virginia, and D.C.

After graduating cum laude from the University of Baltimore Law School and serving as an associate editor of the Law Review, Mr. Portner clerked for Chief Judge Gilbert of the Maryland Court of Special Appeals. Thereafter, Mr. Portner served as a litigator at Gordon, Feinblatt. There, he obtained countless large settlements, binding arbitration, and trial awards. As a result, the head of the personal injury department selected Mr. Portner to work with co-counsel, Levin, Papantonio (one of the country’s top personal injury firms) in a sick building case in the District of Columbia. The case resulted in a multi-million-dollar verdict. Soon thereafter, Mr. Portner left to start Portner & Shure.

Mr. Portner’s philosophy with insurance companies is to be aggressive, but fair. Above all else, he stresses the importance of client satisfaction. Mr. Portner dedicates considerable time to all of his endeavors but believes each personal injury or criminal case should be treated as if it's the only case of the firm. He has obtained over $400 million in recoveries because of his attention to detail, willingness to litigate, and insistence that his staff has constant communication with each client.

During the Covid-19 slow down he continued to battle with the insurance companies and obtained a $2.15 million dollar settlement in a Northern Virginia wrongful death pedestrian accident case, a $900,000 settlement in a Newport News, Virginia car accident involving a minor, a $750,000 settlement in a Hagerstown, Maryland wrongful death auto accident case, as well as a $450,000 settlement in a Bel Air, Maryland serious car accident case.

In addition to recovering over three hundred million dollars for our clients, Mr. Portner has tried or resolved hundreds of cases against some of the top insurance defense attorneys and prosecutors in both State and Federal Court. Portner & Shure, P.A. is not just a personal injury firm that settles cases. Portner & Shure, because of this aggressive policy, litigates automobile accidents, workers’ compensation, medical malpractice, and criminal defense cases almost daily. Insurance companies and prosecutors are well aware of the firms that don't back down. Mr. Portner, and the team he has hand-picked to work with, are fully prepared to go toe to toe with big insurance companies and prosecutors and have a track record of excellent results.


As the founder of Portner & Shure, P.A., Mr. Portner has been recognized for his expertise within the legal community. Mr. Portner currently supervises the personal injury and criminal defense departments of the law firm. As a result, he can be seen routinely working in all of our offices throughout the month.

Mr. Portner is a member of both the Multi-Million Dollar Advocates Forum and the Lawyers of Distinction. Both organizations recognize only the top trial lawyers in America. Selection in these organizations is result-based and comprises the most prestigious group of trial lawyers in the United States, and fewer than 1% of U.S. lawyers are eligible to become members.

Mr. Portner has also been recognized by: Time Magazine, The National Law Journal, the National Top 100 Trial Lawyers for personal injury, workers’ compensation, and criminal defense, American Top 100 Attorneys, Million Dollar Advocates Forum, Best Attorneys of America, as well as “Top 10” in Maryland by the American Institute of DUI/DWI Attorneys, and “10 Best” for Criminal Law. In 2019 and 2020, he was selected as the Personal Injury Litigator of the Year by the American Institute of Trial Lawyers and named a Top Rated Attorney for 2020 by AVVO. Finally, since 2018, Mr. Portner has been recognized by US News and World Report, as one of America’s “Best Lawyers.”

Mr. Portner is also a member of the American Association for Justice, Motor Vehicle Trial Lawyer Association, President’s club in the Maryland Association for Justice. Further, he is a member of the National College of DUI Defense.

Mr. Portner has dedicated a considerable amount of Firm resources to help non-English speaking clients stand up to insurance companies and the government in criminal cases. The Firm provides the highest level of service to Spanish, Chinese, Korean, and Vietnamese-speaking accident victims within the Maryland, Virginia, and D.C. areas. The Firm has a staff of over twenty multi-lingual Spanish-speaking paralegals or legal assistants, as well as bilingual Chinese, Vietnamese, and Korean-speaking paralegals who work closely with clients. As a result, our foreign-speaking accident clients suffer no disadvantage when battling the insurance companies after an automobile accident and are not relegated to inexperienced criminal defense attorneys.

Recoveries from the Firm and Mr. Portner can be viewed in the Case Results section of this site. Further, results in recent criminal cases can now be viewed in the Criminal Defense section. Along with tremendous results, Mr. Portner and the Firm have hundreds of 5-star client reviews on Google in Maryland and Virginia.

Multi-Million Dollar Advocates ForumMillion Dollar Advocates ForumVirginia Trial Lawyers AssociationAvvo Rating

  • Multi-Million Dollar Advocates Forum
  • Million Dollar Advocates Forum
  • AVVO 10.0 Rating
  • Platinum Seal Award, 2013-Present
  • Trial Board of Regents Litigation Award for General Injury and Auto Accidents
  • Top 100 Trial Award for Personal Injury and Criminal Defense
  • American Institute of Criminal Law Attorneys 2019 10 Best Criminal Law Attorneys for Client Satisfaction
Bar Admissions
  • Maryland, 1988
  • District of Columbia, 1989
  • Virginia, 2018
  • American Association for Justice, Member
  • Maryland Association for Justice (President's Club), Member
  • National College of DUI Defense, Member
  • National Association of Criminal Defense Lawyers, Member
  • Maryland State Bar Association, Member
  • Howard County Bar Association, Member
  • District of Columbia Bar Association, Member
  • United States District Court for the District of Maryland, Member
  • United States District Court for the District of Columbia, Member
  • Superior Court for the District of Columbia, Member
  • Million Dollar Advocates Forum, Member
  • Multi-Million Dollar Advocates Forum, Member
  • American Institute of DUI |10 Best
  • American Institute of Criminal Law | 10 Best
  • Best Attorneys of America Lifetime Charter Member
  • National Top 25 Trial Lawyers for Workers Comp
  • Top 100 Lawyer by The National Trial Lawyers Association
  • Virginia Trial Lawyers
  • Million Dollar Advocates Forum - Jonathan Portner
    Million Dollar Advocates Forum - Jonathan Portner


  • Pedestrian Accident Due to Negligent Driver $2.15 Million

    Northern Virginia Personal Injury Attorney Settles Pedestrian Accident Case for 2.15 Million Dollars

  • Pedestrian Struck & Killed by Automobile $1 Million

    $1 Million Settlement for the Family of a Pedestrian Fatally Killed While Exiting a Bus

  • Man Struck by Truck While Riding a Bicycle $969.3 Thousand

    Client Was Riding His Bike on Ox Road near the Intersection of Ashburton Road When He Was Struck by a Truck and Knocked off His Bike.

  • Wrongful Death Motor Vehicle Accident $750 Thousand

    Washington County Wrongful Death Settlement Arising from a Motor Vehicle Collision

  • Rideshare Accident Requiring Surgery $500 Thousand

    Rideshare Accident Resulting in Elbow & Rib Fractures Settled with James River Insurance Company (Uber)

  • Case Settled Without Litigation for All the Available Coverage $492.5 Thousand

    Claim against Nationwide Insurance Company. Chantilly, Virginia accident claim. Numerous fractures along with high hospital bills.

  • Chantilly Virginia Car Accident $457 Thousand

    Our clients were approaching an intersection when the defendants failed to yield the right of way and T-boned our vehicle occupied by a husband, wife, and child.

  • Harford County Car Accident $445 Thousand

    This case involved a Harford County car accident claim. Our client was operating her vehicle when the other party crossed the double yellow lines on Route 1 and struck her vehicle.

  • Case Settled Against Companion Property and Casualty $400 Thousand

    Fairfax County, Virginia accident wherein the client sustained disc herniations at L4 and L5 requiring surgery. Medicals totaled $90,000. Mr. Portner argued future lost wages amounted to several years of lost income.



why our clients say they can expect more with portner & shure
  • “They did amazing work with my case. Jonathan N. Portner (Lawyer), Elizabeth B, Cam Tran and the Team were helpful throughout the whole process of my case. I’m happy with all of my results from my case ...”

    - Dunia
  • “Jonathan, Richard, their staff and colleagues have always been extremely professional, responsive, and honest. Their integrity is unmatched! I have also witnessed their progressive use of technology to make the experience flow smoothly and efficiently!”

    - Billy B. Jr.
  • “I want to thank Jonathan Portner and Paralegal Amy Patton. Especially Grace! Thank you for the Korean translating. You're so kind I really like you also I am really satisfied with my results.”

    - C.S.J.
  • “Thank you for your patience answering all my questions and handling all the rescheduling issues. We were very pleased with the final judgment. We were very fortunate to have Jon on our side and he's learned a very valuable lesson.”

    - T.J.M.
  • “Their trial attorneys, Jonathan Portner and Kevin Ruby, know the courtroom and how to place their clients in the best possible position to not only win, but to maximize the results.”

    - Lorraine W.
  • “Jonathan Portner and his team have represented my family in various matters. They are knowledgable, caring and smart. They are aggressive when needed and also show compassion. They are helpful and have answered all of my concerns.”

    - Lisa P.

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