Jennie Mook is a trial and appellate lawyer whose practice encompasses a range of business and corporate litigation, including contract disputes, complex business litigation, class actions, antitrust, unfair competition, and trade regulations disputes before state and federal trial and appellate courts, administrative proceedings and hearings, and arbitrations. As part of her banking litigation practice, she not only defends financial institutions against claims and class actions brought by consumers, but she also provides counsel and advice to banks, savings associations, and other financial institutions on federal regulations regarding overdraft fees, insufficient fund fees, and multiple representment of fees.
A portion of Jennie’s practice is also devoted to labor and employment issues as well as oil and gas disputes. Specifically, Jennie has experience representing management exclusively in all aspects of dispute resolution arising from the employer-employee relationship, including controversies arising under the Fair Labor Standards Act and claims of discrimination, harassment, retaliation, wrongful termination. She also draws on her background in natural resources and environmental science to advise clients on a broad range of transactional and litigation matters in oil and gas law, renewable energy, and environmental compliance.
During her undergraduate studies at the University of Oklahoma, Jennie earned three bachelors’ degrees in four years in zoology, environmental studies, and psychology. She went on to work in the fields of wildlife biology and environmental science for years, moving around the country to work with organizations such as the National Park Service and the U.S. Department of Forestry.
Jennie graduated with highest honors from the University of Oklahoma College of Law in 2021. While pursuing her Juris Doctor, she served as an articles editor for the Oklahoma Law Review and as a judicial extern for the Honorable Robert E. Bacharach of the U.S. Court of Appeals for the Tenth Circuit, was named to the Order of the Coif and National Order of Scribes, and received six American Jurisprudence Awards. Jennie was also a recipient of numerous scholarships and honors, including the Comfort Scholarship, the Oklahoma Bar Foundation Fellowship, and the Holloway Scholarship recognizing academic excellence and leadership. Prior to graduating, she held leadership positions in numerous student organizations, including the student chapter of the Federal Bar Association, the Environmental Law Student Association, and the Organization for Women in the Law.Download Bio (PDF)
- Currently representing multiple Oklahoma-based and regional banks and credit unions in defending against statewide putative class actions in both Oklahoma and Texas. Allegations include that account holders were assessed fees when the transactions were authorized on a positive balance and settled on a negative balance, that multiple fees were charged on single items (representment of fees), that certain fees were charged which were not authorized by the account agreement, and that fees were assessed on transactions which occurred when positive account balances existed.
- Successfully defended a professional services firm against a lawsuit seeking $7.2 million where plaintiffs alleged malpractice for failing to protect their interests in resolving a tax dispute with the IRS.
- Obtained complete summary judgment on behalf of a national temporary staffing agency in a lawsuit alleging seven causes of action, including negligent hiring and supervision, vicarious liability, and breach of contract, and seeking more than $10 million in damages.
Professional Organizations and Memberships
Oklahoma County Bar Association
Oklahoma Bar Association
Federal Bar Association
FBA Mentorship Program, Mentor
Oklahoma City Young Professionals
Luther Bohanon American Inn of Court
Civic Involvement and Leadership
Regional Food Bank of Oklahoma