Search for "Mark D. Ryan"

Mark Thiessen is a criminal trial lawyer and the Chairman/CEO of the Thiessen Law Firm in Houston, Texas. Mark is Board Certified in Criminal Law by the Texas Board of Legal Specialization and Board Certified in DUI Law by the DUI Defense Lawyers Association. Mark earned the American Chemical Society-Chemistry and the Law (ACS-CHAL) Forensic Lawyer-Scientist designation, which is the highest form of scientific recognition available for lawyers. Mark is a frequent legal seminar lecturer, author of numerous published legal articles, and a faculty member for various organizations. Mark is the current DWI Committee co-chair and...

Ryan assists businesses ranging from established companies to startups in identifying, protecting, and capitalizing on their intellectual property, including trademarks, service marks, domain names, trade secrets, patents, and copyrights. Ryan's practice focuses on trademark clearance, prosecution, monitoring, enforcement, and licensing where he counsels clients regarding the selection and registrability of trademarks and service marks; the development, acquisition, sale, and management of trademark portfolios; and the drafting and negotiating of trademark license, assignment, and dispute settlement agreements. Ryan also assists clients regarding all aspects of business formation and startup planning, including business entity selection and preparation of related agreements as well...

Mark Wham is Board Certified in Personal Injury Trial Law and has been handling complex personal injury cases for 36 years. Mark specializes in catastrophic injury cases, including 18-wheeler collisions, auto accidents, wrongful death, traumatic brain injury, products liability, premises liability and medical negligence. Mark has been Board Certified in Personal Injury Trial Law since 1994. Fewer than 3% of Texas attorneys have earned this certification. Mark is well regarded by his peers. He is rated AV-Preeminent® by Martindale-Hubbell’s Attorney Peer Rating® review. This is the highest possible rating as to both Legal Ability and Ethical Standards....

Ryan T. Walker joined Marks & Harrison in 2014 after having most recently worked for GEICO on the defense side of personal injury cases. Since he was admitted to the Virginia State Bar in 2007, Ryan has practiced exclusively in the area of civil litigation, with an emphasis on personal injury law. He has vast experience in automobile accident litigation.

Rene Rogers has been a licensed attorney handling personal injury cases for 38 years. A a native Houstonian, she graduated from the University of Houston College of Law. Rene specializes in catastrophic injury cases, including 18-wheeler and automobile collisions, wrongful death, products liability, premises liability and medical negligence cases. She has been AV-Preeminent by Martindale-Hubbell’s Attorney Peer Rating review for more than 30 years. The AV-Preeminent rating is the highest possible rating as to both Legal Ability and Ethical Standards. Rene practices with her husband, Mark Wham and their son, Ryan Wham. Rene is a member...