Atkinson, Brittingham, Gladd, Fiasco & Edmonds is one of Oklahoma’s premier litigation law firms. In individual and collective experience, organizational structure, facilities, and its record of successful performance, the firm offers a unique resource of capabilities and services to its clients.

Atkinson Brittingham centers its litigation practice in the areas of insurance defense, corporate defense, and the defense of those in professional services. Within these areas, the firm focuses on the defense of clients facing claims of medical and legal malpractice, insurance, civil rights, general negligence, and manufacturers’ products liability issues. In addition to these areas of concentration, the firm offers expertise in many other litigation matters, including general civil actions, commercial litigation, creditors’ rights, employment, aviation, workers’ compensation, and securities law.

Diversity, Equity, & Inclusion

Atkinson, Brittingham, Gladd, Fiasco & Edmonds is committed to fostering, cultivating, and encouraging a culture and environment dedicated to the values of diversity, equity, and inclusion. These core values are more than just words. We believe diversity makes ABG a firm that is better able to serve the needs of both our diverse clients and our community.

Our firm, aided by our active Diversity, Equity, and Inclusion Committee, is committed to fostering recruitment, retention, and professional development of attorneys and staff regardless of race, nationality, gender, sexual orientation, disability, or religion. Providing all employees with equal access to opportunities in an inclusive and accepting work environment is tantamount to our success.

At ABG, our employees are our greatest asset. We are a firm comprised of different races, genders, backgrounds, and life experiences at all levels of the organization. This diverse workforce affords ABG the opportunity to offer its clients unique perspectives, skills, and innovative solutions. ABG recognizes the value and power of our differences and strives to continue to provide an environment in which expression of those differences is encouraged and embraced.

Our Organization

The law firm of Atkinson, Brittingham, Gladd, Fiasco & Edmonds is committed to excellence. The firm is comprised of individuals who share common values and who are devoted to providing the highest quality of legal services to clients. The firm constantly strives for the prompt, efficient, fair, and just disposition of litigation and disputes entrusted to the firm. The firm acknowledges that it owes each of its clients individual allegiance and zealous representation, employing all appropriate legal means to protect and enforce legitimate interests. The firm will never act out of self interest, but instead will persevere to protect and defend its clients regardless of the difficulty of the case. The firm is committed to a scheme of equitable compensation, driven by considerations of personal achievement, productivity, and faithful adherence to ethical behavior.

Atkinson Brittingham has organized itself into litigation and legal services teams comprised of carefully selected, well qualified professionals and support staff.



The firm is comprised of a successful team of lawyers who have outstanding academic credentials and work histories.

A number of Atkinson Brittingham have worked in other professions before and during law school. This unique breadth of experience is an important advantage in bringing an understanding of our clients’ business and personal perspectives to our work as lawyers.


Research and Appellate Department

The firm recognizes that success in the trial court can be short lived if the client does not also prevail on appeal. Atkinson Brittingham has an entire department staffed by attorneys who specialize in legal research, legal writing, and appellate advocacy.

The firm’s research and appellate attorneys work closely with the trial attorneys throughout the litigation process. This allows the trial attorneys to concentrate on discovery and trial issues while the research and appellate specialists focus on complex legal issues, legal writing, and motion practice. As an end result of this coordinated effort, clients of Atkinson Brittingham receive outstanding representation in the trial court and a superior record which will be instrumental in prevailing on appeal, if the need arises.

The firm’s research and appellate attorneys are licensed to practice before the Oklahoma appellate courts, the United States Court of Appeals for the Tenth Circuit, and the United States Supreme Court.


Support Staff and Services

The support systems and personnel at Atkinson Brittingham are organized to maximize client service and efficiency. The staff includes paralegals and a physician assistant/medical technologist who offer technical expertise that is invaluable in preparing witnesses and clients for trial.