About
Kathleen B. Havener is a federal and state trial and appellate litigator with CullenLaw in Washington, DC. For more than three decades, she has focused on complex commercial litigation, appellate work, alternative dispute resolution, international arbitration, and administrative proceedings. Her matters have involved employee raiding, fraud, misrepresentation, professional misconduct, commercial real estate, insurance coverage, estates, intellectual property, partnership disputes, breach of contract, and constitutional challenges.
Havener graduated cum laude from Harvard Law School, where she participated in the Harvard International Law Journal and Harvard Defenders. She previously graduated summa cum laude from Spring Hill College and was a President’s Scholar in History. Her academic background supports a practice requiring close analysis of procedural rules, extensive written advocacy, discovery strategy, and the ability to frame complex commercial and constitutional issues for trial and appellate courts.
Havener has prosecuted state and federal trials and appeals that resulted in substantial verdicts and favorable settlements for clients. She has defended former company officers accused of trade-secret theft, represented a commercial bank in securities-fraud litigation, and participated in significant appellate briefing involving the Hague Convention on the International Abduction of Children. Her work also includes administrative proceedings and constitutional challenges to federal regulations and state or local statutes.
Kathleen B. Havener brings a litigation practice shaped by courtroom advocacy, appellate briefing, discovery, and dispute-resolution experience. She is admitted in Virginia, the District of Columbia, Maryland, and Ohio, along with the U.S. Supreme Court and multiple federal appellate and district courts. Her professional writing covers litigation strategy, ethics, technology, mediation, cyber insurance, information security, and law-practice issues, reinforcing a practice centered on careful analysis and practical client counseling.
Law Office Affiliations
- Attorney, The Cullen Law Firm, PLLC
- Member, Virginia State Bar
- Member, District of Columbia Bar
- Member, Maryland State Bar Association
- Member, Ohio State Bar Association
- Life Fellow, American Bar Foundation
- Founder, Woman to Woman Lawyer Referral Network
Licensed State
- Virginia
- District of Columbia
- Maryland
- Ohio
Education
- Harvard Law School
Juris Doctor (JD) - Spring Hill College
Bachelor of Arts (BA)
Awards & Badges





- Administrative
- Alternative Dispute Resolution
- Appeals
- Arbitration
- Business
- Business Litigation
- Commercial Real Estate
- Constitutional
- Contracts & Agreements
- E-Discovery
- Insurance Claims
- Intellectual Property
- Intellectual Property Litigation
- Lawsuits & Disputes
- Litigation
- Oil & Gas
- Real Estate
- Trade Secrets





