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Blake joined Dunn Sheehan LLP in 2017 after spending seven years at the world’s largest law firm, representing both plaintiffs and defendants in state and federal courts across the country in high-stakes litigation. Blake has extensive first-chair experience as a trial lawyer in Texas state court, taking multiple cases to successful verdicts. While Blake’s footprint is in Texas, he handles complex cases across a range of litigation topics, including contract disputes, fraud, negligence, intentional interference with business relationships, theft of trade secrets, and other business torts.
Representative Matters
- Lead counsel in favorably resolving seven figure dispute and obtaining permanent injunction for leading media, internet, and mobile app companies (2021).
- Lead counsel in obtaining one-half million dollar judgment and recovery of attorney's fees and expenses following two day arbitration (2021).
- Lead counsel in successful prosecution in commercial landlord-tenant dispute and successfully obtained six-figure judgment and recovery of attorney's fees (2021).
- Lead counsel in DTPA, fraud, and breach of contract bench trial and successfully obtained complete victory and recovery of attorney's fees (2020).
- Lead counsel in successfully defeating national moving company's dispositive motion under the Carmack Amendment in favor of small business owner in interstate transport dispute (2020).
- Successfully defended several healthcare officers and directors against wrongful fraudulent billing claims (2020).
- Obtained seven figure judgment following four day bench trial for a small business owner in property tax lending dispute (2019).
- Successful negotiation and resolution of a wide variety of claims and lawsuits, including matters involving business torts and breach of contract claims.
Memberships
- State Bar of Texas
- Dallas Association of Young Lawyers
Education
- The University of Texas School of Law, 2010, JD, Managing Editor, Texas Review of Entertainment and Sports Law Journal
- The University of Texas at Austin, 2005, BS, Neurobiology
Admissions
- Texas
- US Bankruptcy Court for the Northern District of Texas
- US District Court for the Eastern District of Texas
- US District Court for the Western District of Texas
- US District Court for the Northern District of Texas
- US District Court for the Southern District of Texas
- US Court of Federal Claims
With multiple awards and 45 years of civil trial experience, Patrick Sheehan has had significant experience in a broad range of complex cases. He earned his law degree from St. Mary’s School of Law in 1975, where he graduated first in his class.
For years, Patrick represented both plaintiffs and defendants and has tried multiple cases to jury verdict in both state and federal courts. He has tried jury cases lasting two weeks to four and a half months.
For the past five years his practice has focused solely on plaintiff side wrongful death and catastrophic personal injury, oil and gas, trust and estate and business torts litigation.
Patrick has earned numerous professional achievements, recognitions and awards and is repeatedly named a Super Lawyer.
Education & Experience
- St. Mary’s School of Law, First in Class, 1975
- Briefing Attorney for Texas Supreme Court Justice Sears McGee, 1975-1976
- St. Mary’s Law Review Editor
Awards & Activities
- Super Lawyers, 2019, 2020, and 2021, a Thompson Reuters Service
- Super Lawyers® highest possible selection and designation, 2009-2020
- Yearly AV Preeminent® Martindale-Hubbell® Peer Review Rating
- Top Rated Lawyer in Commercial Litigation by American Lawyer Media and Martindale-Hubbell®, 2015
- Lawyer of the Year as Best Fiduciary Litigation Attorney by San Antonio Magazine, 2015
- One of the Best Lawyers in America; Fiduciary Litigation, 2014
- Best Lawyers in America – Litigation – Trusts and Estates, 2013-2020
- Best Lawyers in Texas by A Best Lawyers (and the Wall Street Journal), LLC, 2014, 2019, 2020
- Top 100 Trial Lawyers by The National Trial Lawyers, 2014
- America’s Top 100 Personal Injury Attorneys for Northern Texas (2019).
Professional Memberships
- State Bar of Texas
- Fellow of the Texas Bar Foundation – Life Member
- American Bar Association
- San Antonio Bar Association
- Federal Bar Association
- Fellow of the San Antonio Bar Foundation
- American Association for Justice
J.D. Blakley joined Dunn Sheehan LLP in 2013 after practicing for four years at a large and prestigious law firm based in Dallas. He has continued to hone his advocacy skills, gaining extensive and valuable trial and litigation experience in state court, federal court, and arbitrations. In 2016, J.D. was promoted to partner at the firm.
With a primary focus on commercial litigation, J.D. has spent his career representing both plaintiffs and defendants in complex business disputes. In doing so, he has acquired a deep understanding of, and an invaluable skill set pertaining to, a wide range of litigation topics, including contract law; partnership, shareholder, and fiduciary relations; commercial landlord-tenant disputes; real estate and construction; labor and employment matters; defamation, fraud and business torts; and disputes relating to intellectual property and trade secrets.
Named a Texas Rising Star (2018, 2019) and a Best Lawyer Under 40 (2018), J.D. brings passion to each and every case and is dedicated to ardently representing his clients, both on an hourly and contingent-fee basis.
Education & Experience
- Associate, Gardere Wynne Sewell LLP (2009-2013)
- J.D., The University of Texas School of Law, with honors (2009)
- Intern to Hon. A. Joe Fish, United States Senior District Judge for the Northern District of Texas
- Intern to Hon. Jane Bland, Justice for the First Court of Appeals of Texas
- B.S., Texas A&M University, magna cum laude (2006)
- University Undergraduate Research Fellow, Office of Honors Programs
- Member, Phi Beta Kappa National Honor Society
- Member, National Society of Collegiate Scholars
- Member, Phi Eta Sigma National Honor Society
Admissions
- Texas State Courts
- U.S. District Court for the Northern District of Texas
- U.S. District Court for the Southern District of Texas
- U.S. District Court for the Eastern District of Texas
- U.S. District Court for the Western District of Texas
- U.S. District Court for the Western District of Michigan
- U.S. Court of Federal Claims
Memberships
- Member, State Bar of Texas
- Member, Dallas Bar Association
- Member, Dallas Association of Young Lawyers Awards & Recognition
- Texas Rising Star (2018, 2019), Thomson Reuters/Super Lawyers
- Best Lawyer Under 40 (2018), D Magazine
Connor devotes 100% of his practice to civil litigation. He began his career at a traditional large law firm handling business litigation disputes and defending product liability and wrongful death cases. In 2010, he co-founded Dunn Sheehan LLP, where he litigates plaintiff-side pharmaceutical cases, catastrophic personal injury and wrongful death cases, and business disputes.
As lead counsel, he has handled cases in over 30 states and tried over 25 cases to jury verdict in trials ranging from a few days to nine weeks. He has collected over $100 million dollars for his clients in contingent fee cases in the last decade.
Education
- J.D., St. Mary’s University School of Law, magna cum laude (2004)
- Associate Editor, St. Mary’s Law Review
- B.B.A., Baylor University (2000)
Recognition
- Super Lawyers 2019, 2020, 2021, and 2022, a Thompson Reuters Service
- Super Lawyers, Rising Star 2010, 2013 – 2016, 2017 (Top 100 in Texas) and 2018 (Top 100 in Texas), a Thompson Reuters Service
- Author, Keep the Ex Parte Door Open, AAJ Trial Magazine, Drugs & Devices Edition, May 2022
- Author, Newly Acquired Information: Avoiding Preemption in Prescription Drug Cases, AAJ STEP Digest 2019
- Author and Lecturer, Proportionality under Federal Rule 26: The Plaintiff’s Perspective, Advanced Evidence and Discovery, State Bar of Texas 2018
- Author, Preemption in Pharmaceutical Cases: 2018 in Review, Law 360, January 2019
- Author, Preemption in Pharmaceutical Cases: 2017 in Review, Law 360, February 2018
- Author, Texas Damages Law: 4 New Developments, Dallas Bar Journal, 2017
- Author and Lecturer, 10 Emerging Damages Issues in Texas, 9th Annual Damages in Civil Litigation Course, State Bar of Texas, 2017
- Author, Proportionality Under Federal Rule of Civil Procedure 26(b)(1), AIEG Voice, Summer 2017
- Author and Lecturer, Summary Judgment Update, Advanced Civil Trial Course, 2009
- Second highest fraud verdict in Texas in 2012
Professional Affiliations
Admitted to practice before:
- Fifth Circuit Court of Appeals
- U.S. District Court for the Northern, Southern, Eastern and Western Districts of Texas
Professional memberships:
- Board of Directors, Texas Trial Lawyers Association
- Member, Texas Trial Lawyers Association
- Member, American Association For Justice
- Member, State Bar of Texas
- Member, Dallas Bar Association
Miscellaneous
- From 2009-2012 Connor served as Lead Outside General Counsel on a pro bono basis for Launchability, the largest state, federal, and privately funded charitable early childhood intervention organization in the state. Launchability assists low income families in raising mentally disabled children, and assists mentally disabled adults in gaining valued employment. In 2013, he was elected to the company's Board of Trustees.
- Connor lives in Dallas, Texas with his wife and two children. In his spare time, he enjoys outdoor activities such as hunting and saltwater fishing.
Dave strives to be a complete business lawyer. In 2010, after a successful 13-year career, Dave left the Dallas office of a national law firm to build his own firm. Today, Dave uses the agility of a small firm platform, and the knowledge and skills that he has developed over more than two decades as a practicing attorney and business owner, to provide personalized, high-quality service to his clients more efficiently and at a lower cost.
Dave has a sophisticated commercial litigation practice, and represents companies and individuals in the prosecution and defense of a broad range of business matters. He has more than 20-years’ first-chair experience as a trial lawyer in federal courts, state courts, and arbitrations around the country.
Dave has also developed a diverse transactional practice, serving as outside general counsel for businesses spanning a spectrum of industries including construction firms; medical practices and services organizations; commercial real estate owners; technology companies; equipment importers and distributors; product manufacturers; energy companies; restaurant groups, retailers, and entrepreneurs. Through his long-term relationships with these clients, Dave knows their businesses and their people. He is proud to be the first person they call for help – whether negotiating and closing a complex multi-million-dollar transaction, or answering a simple question about any of the many legal issues that businesses encounter every day.
In his outside general counsel role, Dave oversees and coordinates
- Business and medical practice acquisitions and sales.
- Entity structuring and formation.
- Negotiation and drafting of business contracts, licensing agreements, and strategic transactions.
- Construction contracts, projects, delays, incomplete and defective work, payment and lien issues.
- Commercial real estate purchase, sale and lease transactions.
- Capital raises and SEC and state securities law filings and reporting obligations
- Employment contracts; hiring, supervision, and termination; and advice on day-to-day HR matters.
- Risk management.
- Litigation and dispute resolution.
And when a client encounters a non-business issue requiring specialized advice, Dave acts as an “air traffic controller,” leveraging relationships that he has developed with lawyers across virtually every practice area over the past two decades to ensure that his clients are protected.
Education & Experience
- University of Texas School of Law, J.D., with honors, 1997
- Texas A&M University, B.B.A. / Finance, with honors, 1994
- Gardere Wynne Sewell LLP, 1997-2010
Awards & Activities
- Super Lawyers 2019, 2020, and 2021, a Thompson Reuters Service
- Texas Rising Star / Law & Politics Magazine (2005, 2006, 2007, 2008, 2009, 2010, 2012) a Thompson Reuters service.
- Order of the Coif
- Texas State Bar Fellow
- Building Smiles Foundation, Board of Directors (2012-2013)
- Gardere Wynne Sewell LLP Pro Bono Chairman (2007 – 2010)
- Dallas Bar Association
- Texas A&M Association of Former Students, 12th Man Foundation
- United Way of Metropolitan Dallas Funding Allocation Panel
- Martin Luther King, Jr. Oratorical Contest Committee
- Avid runner, cyclist, skier, hiker and climber
- Co-Chairman, Jingle Bell Run Committee
- Sam’s Club MS150 / “Gardere Gearheads” (2007-2013)
