Henry Nikogosyan

Edward J. Quirk focuses his practice on intellectual property law, with an emphasis on patent, trademark and copyright matters. Ted, the Co-Founder of Quirk & Tratos, has provided leadership as past President of the Nevada Intellectual Property Law Society. He serves on the Boards of many community organizations, including serving as President of the Boys & Girls Clubs of Las Vegas, and Founder and Chair of its Foundation. He has also served as Chair of the Board of Trustees and the E...

Erica L. Okerberg is a lawyer recognized by Best Lawyers in the practice areas of Advertising Law and Gaming Law. Erica L. practices law in Las Vegas, Nevada Best Lawyers has recognized Erica L. Okerberg since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Erica L. Okerberg is held by other lawyers.

Don Springmeyer is a lawyer recognized by Best Lawyers in the practice area of Mass Tort Litigation / Class Actions - Plaintiffs. Don practices law in Las Vegas, Nevada Best Lawyers has recognized Don Springmeyer since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Don Springmeyer is held by other lawyers.

Mr. Erwin is a Partner of Campbell & Williams and has been a member of the Firm since 2009. Mr. Erwin’s practice focuses on complex commercial disputes involving litigation over claims for breach of contract, breach of fiduciary duty, fraud and fraudulent transfers, and numerous other issues. Mr. Erwin has likewise litigated catastrophic personal injury and wrongful death cases. With a focus on sophisticated legal strategy and detailed preparation to account for any variable in liti...

David J. Mortensen is a lawyer recognized by Best Lawyers in the practice area of Litigation - Health Care. David J. practices law in Las Vegas, Nevada Best Lawyers has recognized David J. Mortensen since 2017. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David J. Mortensen is held by other lawyers.

Mark G. Tratos is the founding Shareholder of the firm's Las Vegas office, home of the largest group of entertainment attorneys in Nevada. Previously, he was the Co-Founder of the firm of Quirk & Tratos. Mark focuses his practice on a variety of entertainment, intellectual property and litigation matters. He represents numerous artists and performers, resort, hotel and casino entities in federal court litigation involving trademark, copyrights, domain names, rights of publicity and privac...

Deverie J. Christensen is office managing principal of the Las Vegas, Nevada, office of Jackson Lewis P.C. She practices in all areas of employment law, and has significant experience in the areas of employment discrimination and harassment, wage and hour law, and disability and leave laws. Deverie represents public and private employers in a wide range of employment actions in administrative forums and state and federal courts, including discrimination, harassment, wrongful termination, brea...

PROFESSIONAL PROFILE: With over forty years of experience, Mr. Campbell is regarded as one of the finest trial attorneys in the United States, having personally represented supreme court justices, governors, congressmen, chief executive officers of Fortune 500 companies, and many national celebrity and sports figures. Recently, the Nevada State Bar recognized Mr. Campbell by presenting him with its Presidential Award which is reserved for members practicing 20 years or more whose conduct, hon...

Nathanael Rulis is a lawyer recognized by Best Lawyers in the practice areas of Appellate Practice, Cannabis Law and Commercial Litigation. Nathanael practices law in Las Vegas, Nevada Best Lawyers has recognized Nathanael Rulis since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Nathanael Rulis is held by other lawyers.

Mr. Krieger is a shareholder in the firm’s Intellectual Property and Entertainment & Sports Departments. He concentrates his practice on intellectual property litigation in both state and federal court; prosecuting and defending clients for claims including trademark infringement, copyright infringement, domain name litigation; as well as trade secret misappropriation and unfair competition. Mr. Krieger has extensive experience litigating cases involving the infringement of intellec...