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Texas Board of Legal Specialization

Board Certified in Civil Appellate Law


Cassie Dallas focuses her practice on appeals and mandamus proceedings in Texas state and federal courts. Cassie has considerable experience preparing appellate briefs, original proceedings, motions to dismiss, summary-judgment motions, jury charges, and post-judgment motions. She handles matters across the state of Texas has argued numerous cases before the Second and Fifth Courts of Appeal.

Cassie’s appeals often involve issues of first impression, and she has obtained favorable results on behalf of insurers, health care providers, premises owners, property owners associations, licensed professionals, and businesses.

Cassie also has broad experience representing individual and corporate defendants at all stages of litigation. She has worked to resolve high-stakes business disputes, property disputes, and claims involving personal injury, premises liability, and professional malpractice. Cassie regularly partners with trial counsel to assist in preserving error for appeal and briefing critical pre-trial and post-judgment motions.

Representative Experience

Argued and won Texas Supreme Court appeal on the issue of counter-affidavits for a major insurance provider

Won Fifth Circuit appeal in which the court upheld arbitration award for law firm client over unpaid legal fees

Won Fifth Circuit appeal in which the court affirmed dismissal of defamation and tortious interference claims brought against insurer

Won Tenth Circuit appeal in which the court affirmed dismissal of breach of contract and bad faith claims against national insurance company

Argued and won appeal in premises liability case against national retailer

Argued and won appeal in premises liability case against property owner and property management company

Argued and won appeal in suit to enforce deed restrictions against property owner

Argued and won appeal in health care liability claim, obtaining reversal of judgment and dismissal of plaintiffs’ health care liability claims against rehabilitation center

Won permissive interlocutory appeal and obtained dismissal of claims for bad faith, unfair settlement practices, breach of contract, breach of duty of good faith and fair dealing, and DTPA violations

Won dismissal on appeal of claims against gun range based on section 128.053 of the Texas Civil Practice and Remedies Code

Won appeal and obtained dismissal of negligence and gross negligence claims against indoor trampoline park

Won appeal of summary judgment based on attorney immunity in malicious prosecution case

Won permissive interlocutory appeal in dispute between adjoining property owners regarding right of lateral support

Won appeal and obtained reversal of default judgment entered against business owner and real estate developer

Won appeal in negligent activity and premises liability case against commercial waste disposal company

Won appeal in breach of contract and bad faith case against insurer who denied coverage under policy endorsement

Won appeal in legal malpractice case on behalf of attorney who provided tax advice to estate client

Professional Recognition

Texas Super Lawyers - Rising Star

Listed for Appellate, Civil Litigation: Defense

Texas Board of Legal Specialization

Board Certified in Civil Appellate Law

Related Resources

Related Services

Publications & Speaking Engagements

Education, Admissions & Activities

Education

Texas Tech University School of Law

J.D., summa cum laude, 2010
Order of the Coif
Texas Tech Law Review, Student Writing Editor
Phi Delta Phi

Southwestern University

B.A., summa cum laude, 2007
Phi Beta Kappa
English and Commutations

Bar Admissions

Texas

2010

Court Admissions

United States District Court of Texas

Northern, Southern, Eastern

United States Court of Appeals, Fifth Circuit

United States Court of Appeals, Tenth Circuit

Professional and Community Activities

William "Mac" Taylor Inn of Court

Dallas Bar Association

Dallas Association of Young Lawyer

McKinney ISD Interdisciplinary Study and Mentorship Program

Mentor, 2017

Diversity and Inclusion Committee Chair

First Court of Appeals of Texas, Justice Michael Massengale

Law clerk