Jennifer De Angelis Photo

Jennifer L. De Angelis

Trial Attorney
  • Profile
  • Credentials
  • Associations
  • Practice Areas

Jennifer L. De Angelis has practiced with the firm since graduation from law school in 1987. Her practice has evolved over the past 14 years to where she focuses primarily upon medical malpractice cases. In the area of medical malpractice, Jennifer has established a reputation as an attorney who not only manages the complexities of medical malpractice lawsuits but navigates them successfully from intake to settlement or trial and achieves outstanding results for the client. Jennifer immerses herself in the medicine of each case to understand the nuances of the negligent treatment. She finds medical experts who are not only recognized leaders in their fields but physicians who also come to feel strongly about the case and the opportunity to make a difference. The results of these efforts have benefited the clients of the firm who despite the tragedy of the circumstances that brought them to the firm, are able to feel some vindication for their case and security in their future.

Jennifer has handled cases at all levels in both state and federal courts. In 1994, she argued successfully before the Supreme Court of the United States obtaining a reversal of a criminal conviction after the Tenth Circuit Court of Appeals affirmed the conviction. She has been instrumental in obtaining the numerous multi-million dollar jury verdicts for clients of the firm and settlements totaling tens of millions of dollars.

Jennifer L. De Angelis graduated from Oklahoma State University in 1984 with a Bachelor of Science. In 1987, she graduated from the University of Tulsa College of Law with Juris Doctorate where she was a member of Delta Theta Pi and a recipient of the American Jurisprudence Award in Agency and Partnership Law. She is a member of the Oklahoma and American Bar Associations. She is also a member of the American Association for Justice and the Oklahoma Trial Lawyers Association.

Jennifer is admitted to practice before the Oklahoma Bar, United States District Courts for the Northern, Eastern, and Western Districts of Oklahoma. She is also admitted to practice before the United States Court of Appeals for the Tenth Circuit and the Supreme Court of the United States.

Representative Cases

  • Bachelor of Science Oklahoma State University - University 1984
  • Juris Doctorate University of Tulsa College of Law - Graduate School Tulsa, OK 1987

Bar Admissions:

  • Oklahoma, 1987
  • U.S. District Court Northern District of Oklahoma
  • U.S. District Court Eastern District of Oklahoma
  • U.S. District Court Western District of Oklahoma
  • U.S. Court of Appeals 10th Circuit
  • U.S. Supreme Court
  • American Bar Association
    American Bar Association
  • The Oklahoma Bar Association
    The Oklahoma Bar Association
  • Tulsa County Bar Association
    Tulsa County Bar Association
  • American Association for Justice
    American Association for Justice
  • Oklahoma Trial Lawyers Association
    Oklahoma Trial Lawyers Association
  • Oklahoma Trial Lawyers Association, President, 2007 - Present
    Oklahoma Trial Lawyers Association, President, 2007 - Present
Practice Areas
    Any client with Mr. Mwafulirwa as their counsel has an advantage over the opposing party.

    “Mr. Mwafulirwa has an ability to communicate both orally and through the written word in a manner that sets him apart from others in the practice. In addition, his analytical capabilities are unmatched.”

    - Attorney
    Mbilike is one of the most well-rounded trial attorneys I have ever come to know.

    “From personal experience as an adversary, I know Mbilike to be a person of the highest character and integrity and an exceptional role model in the civic and legal communities.”

    - Opposing Attorney
    Mr. Fortney is an excellent attorney.

    “He is most ethical; always prepared; very professional; has a complete understanding of the facts and the applicable law in cases, and is very effective and persuasive. He is an outstanding litigator.”

    - Judge
    He is an excellent lawyer.

    “I have opposed Guy on several cases through the years and have always found him to be not only a formidable opponent, but also very ethical, professional, and easy to work with.”

    - Attorney
    Highly Recommend

    “Mr. Lair is a former colleague of mine. He is an excellent lawyer and of the highest moral character.”

    - Attorney

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