Employ our Extensive Knowledge and Experience

Cook and Kelesis, Ltd. has consistently enjoyed a reputation of providing excellent service in the areas of litigation, tax work, criminal defense, health care, and estate planning. The firm is currently made up of the two partners and two senior attorneys who bring a diverse legal experience into one firm enabling them to handle complex matters efficiently and effectively.

about Cook & Kelesis

Recognizing the incredible positive changes downtown Las Vegas is experiencing and knowing our firm was outgrowing the office space we had been leasing, CK decided to join the burgeoning number of downtown property owners by purchasing an existing stand-alone professional building located at 517 South 9th Street, Las Vegas, NV 89101. Our new offices are within minutes of all the downtown state and federal courthouses, government offices, and the Las Vegas Strip. We look forward to helping you with your legal needs at our new home.

Areas of pratice

  • Criminal Defense
  • Federal
  • White Collar
  • Personal Injury
  • Administrative/Regulatory
  • Alternative Dispute Resolution
  • Appellate
  • Business Litigation
  • Civil Litigation
  • Commercial Matters
  • Contracts
  • Healthcare
  • Estate Planning
  • Incorporation/Resident Agent
  • Insurance Bad Faith
  • Insurance Defense
  • Insurance Disputes
  • Landlord/Tenant
  • Mediation
  • Probate/Wills/Trusts
  • Real Estate
  • Tax
  • Federal Income Tax
  • Inheritance Gift Tax
  • State Tax
  • Tax Litigation

our attorneys

Marc Cook

Marc P. Cook

Partner

Primarily practicing in the areas of complex civil litigation, business litigation, contracts, commercial, entertainment, insurance defense, insurance disputes, arbitration, mediation, alternative dispute resolution, landlord/tenant, real estate, personal injury, appellate, incorporation/resident agent, including all levels of the Nevada District Court, United States District Court, United States Supreme Court, Ninth Circuit Court of Appeals.

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George P. Kelesis

Partner

Primarily practicing in the areas of white collar criminal defense, tax matters, complex civil litigation, business litigation, contracts, commercial matters, incorporation/ resident agent, estate planning, probate/wills/trusts, tax, wills and trusts contests, federal income tax, inheritance gift tax, State tax, tax litigation, including the levels of the District Court United States District Court, United States Supreme Court, Ninth Circuit Court of Appeals, and U.S. Tax Court.

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Julie Sanpei

Senior Attorney

Primarily practicing in the areas of civil litigation, probate/wills/trusts/ wills and trusts contests, personal injury, arbitration, mediation, alternative dispute resolution, collection, including the levels of the District Court, United States District Court, United States Supreme Court, Ninth Circuit Court of Appeals.

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Kathleen Janssen

Senior Attorney

Ms. Janssen’s primary practice area is health care law as she helps health care providers and businesses navigate the web of complex regulations governing the industry. Ms. Janssen represents clients on matters involving credentialing and retention of privileges, professional licensing, investigations, administrative proceedings before regulatory agencies, payor audits, employment and independent contractor agreements, structuring business organizations, medical records, and leases. She understands the Nevada and Federal Stark, Anti-Kickback, False Claims, and HIPAA laws, and counsels clients on the applicability of those laws to various health care transactions.

History of
Cook & and Kelesis, LTD.

The law firm of Cook & Kelesis, Ltd., was established in August of 2005. However, the partners, George Kelesis and Marc Cook have been associated together in one form or another since the mid ’80’s. Mark Bailus and George Kelesis were associates together in the early 1980’s with the law firm of Manos & Cherry until they both opened their own office in a shared suite in 1987. During this period of time Marc Cook clerked for George Kelesis. Thereafter, Mark Bailus joined his prior boss now, Supreme Court Justice Michael Cherry, as a partner in the law firm of Cherry & Bailus. In 1991 George Kelesis was a partner in the law firm of Gentile, Porter, & Kelesis. Marc Cook was an associate of Gentile, Porter, & Kelesis in 1992, and on January 1, 1993, the three (3) were again together with now Supreme Court Justice Michael Cherry, in the law firm of Cherry, Bailus & Kelesis. In 1997, George Kelesis became in-house corporate counsel and was soon joined by Mark Bailus. During this time frame, they both still maintained an of-counsel status in the law firm of Cook & Kelesis until the law firm of Cook & Kelesis was formed in August of 2005.

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