Keller Business Lawyers

For over a decade, I've had the privilege of being a provider for many well known businesses, inventors, and institutions who, like you, want to protect their ideas and monetize their inventions. The proof is in the numbers – my clients have received hundreds of patents and millions of dollars in real world results.

Some of my clients, like Semantra and Advanced Search Labs, have used patents to receive angel investments and venture funding. Other clients, such as Lisa Lloyd and Lori Cheek, have appeared on Shark Tank, Ellen, Dr. Phil (for good reasons) and the Steve Harvey Show. Others...

Estate Planning: I do things differently from other lawyers. I do not just give you a stack of documents. I advise and guide you to the best possible outcome for your family when you cannot be there for them yourself. My firm represents Texas and Missouri families and individuals on matters involving estate planning, succession, wills, trusts, and asset protection. I help you make the best planning decisions for your family and ensure that the estate plan you create with me will work when your loved ones need it most. I have invested heavily in estate planning training and technology for my firm to...

Holly R. Davis is a founding partner of Kirker Davis LLP. An accomplished and nationally-recognized family law trial attorney with over ten years’ experience, her legal practice focuses on high asset divorce, business and professional divorce, custody matters, and complex litigation. With a strong professional reputation for her litigation and courtroom skills, Holly has successfully represented cases ranging from multi-million--and even billion dollar—estates, to divorces involving family businesses and young professionals. Her core business philosophy is based on fidelity to the practice of law and a commitment to client service. It’s a perspective which has yielded significant success, particularly...

Litigation:  
Adrian represents clients in adversarial proceedings covering civil, criminal, and administrative matters.  He has achieved favorable results in the form of jury/bench verdicts and relief being granted at each of these levels, including on appeals.  Additionally, Adrian has been able to recover on offensive claims and defeat defensive claims simply by issuing letters, thus generating significant cost savings. 

Energy: 
Adrian cut his teeth in the oil and gas industry.  He takes personal pride in having built his client base by identifying and recovering unpaid (or stolen) royalties.  Those successes have led to Adrian taking over leasing operations for hundreds of thousands...

Randy has been recognized in Time, Newsweek, Ladies Home Journal, and the Texas Lawyer as well as on CNN and NBC’s Dateline for his role in uncovering the documents that led to the recall of the Firestone Radial ATX and Wilderness lines of tires. His ground breaking case against Firestone is featured in McGraw-Hill’s college textbook on corporate crime entitled Criminology and the Criminal Justice System. Because of his role in important product liability cases, Randy has more recently appeared on “Fox & Friends,” ABC’s “Good Morning America,” CNN’s “American Morning,” MSNBC, Fox Business News, and CNBC. He has...

When Your Reputation and Finances Are at Stake, Invest in the Best! Investing in your defense: While our fees may be higher than some, consider it an investment. For professionals and businesses facing complex tax controversies or white-collar criminal charges, a misstep can be crippling. You need more than just an attorney; you need a fierce advocate, a seasoned strategist, and a proven winner. Why Choose Jeff Trevillion, Jr.? *Unmatched Expertise: With over 15 years of experience navigating the labyrinthine world of tax law and white-collar defense, Jeff Trevillion has a deep understanding of the challenges you face and a relentless pursuit of...

Services We Provide Include: • Probate & Estate Planning: Estate Administration, Wills, Trusts, Powers of Attorney, Living Wills; • Business Formation & Transactional Matters: Creation of Business Entities (i.e. LLC, Corp., Partnerships) & Other Business Agreements including Mergers & Acquisitions; • Income Tax Returns: Planning & Preparation (Individuals, Partnerships, Corp., Trusts, Gift & Estate Tax, Tax-Exempt Org., Payroll & Others); and • Audits & Appeals: Representation in Problematic Tax & Regulatory Matters.

Sul Lee is dedicated to problem-solving and helping businesses prevent and overcome their legal issues. Sul Lee started her law firm in 2013 to translate her love of entrepreneurship, the law, and serving her local communicates and business owners. Helping small and medium businesses grow smart is Sul Lee’s commitment and passion in her business. Sul Lee has worked hard, and her dedication to her fellow small and medium size business owners who conduct business in Texas is evident in her relationships (repeating business) and success rate on behalf of her clients. Ms. Lee takes the utmost pride in receiving repeat...

• Dallas Office Chair. Professional liability litigation group, including the defense of architects, engineers, design professionals, lawyers, insurance brokers/agents, medical, and other miscellaneous professionals. • Counsel and represent attorneys on ethics and grievance ir. matters. • Represent defendants and corporate plaintiffs in complex construction and business litigation. • Defend product liability, premises liability, trucking, and auto insurance defense claims. • Outside legal consultant for OmniSure Consulting Group, LLP, a national risk management and loss control consulting group assisting national insurance carriers in the A&E and allied health professionals space. • Represent and consult with college-level coaches in contract negotiation, hiring & firing matters, internal compliance, corporate...

LeDouglas is an accomplished attorney who possesses a deep understanding of the business landscape, along with the foresight to proactively identify and address potential challenges. He demonstrates a unique blend of analytical thinking, composure, and strategic acumen. What truly distinguishes LeDouglas from his peers is his exceptional ability to swiftly align business objectives within the context of proactive risk management, complex commercial litigation, and innovative dispute resolution strategies. Whether standing at the boardroom table or in the courtroom, LeDouglas exudes a composed demeanor that conceals a remarkable tenacity. This tenacity has propelled him through a diverse array of challenges throughout his...

Upon receiving a Bachelor of Arts in Political Science and International Relations from the Ohio State University, Yuri decided to pursue her law degree. Thereafter, she attended the Baylor University Law School. Yuri was raised in South Korea and speaks fluent Korean. Yuri worked as a law clerk for our firm and after passing the 2023 Texas Uniform Bar Exam, she began practicing law as an associate attorney. She is a member of good standing of the State Bar of California and the State Bar of Texas. When not practicing law, Yuri enjoys spending time with her husband and two daughters, trying...

Richard Y. Cheng has an extensive healthcare law practice, with particular concentration representing skilled nursing facilities, assisted living facilities, home health agencies, community hospitals, hospices, and rehabilitation providers. Mr. Cheng counsels clients with respect to corporate transactions, healthcare regulatory and compliance matters, and administrative appeals. He has considerable experience representing clients involving Stark Law, Anti-kickback, HIPAA, HITECH Act, Medicare related transactions (e.g. CHOWs) licensure surveys, provider appeals before administrative law judges with the Office of Medicare Hearings and Appeals, Departmental Appeals Board, Civil Remedies Division and State Office of Administrative Appeals. Previously, Mr. Cheng was a shareholder at a...

For over 35 years, David has successfully guided individuals, small and large businesses through regulatory landscapes and continues to ensure his business clients are advantaged by prompt and innovative counsel. His litigation skills have been tempered coast-to-coast achieving remarkably brilliant outcomes. He is a graduate of the University Of Oklahoma College Of Law and holds a Masters of Law Degree(Labor)from Southern Methodist University. He was elected to membership in the American Law Institute and elected a Fellow in the College of Labor & Employment Law, David is the father of six children and an active civic leader.

Mr. Cole is Board Certified in labor and employment law by the Texas Board of Legal Specialization and focuses his practice on representing employees in disputes against employers. In doing so, Mr. Cole has represented hundreds of clients in numerous employment claims, including but not limited to claims for unpaid overtime wages, minimum wage violations, discrimination, retaliation, FMLA violations, breach of employment contract, non-compete agreements, wrongful termination, hostile work environment, and employee grievance hearings. Although most of the firm's employment claims are handled through administrative agencies, Mr. Cole and the firm also has experience representing clients in litigation.

Mr. Cole has...

Jason is one of the nation's top trial lawyers for one reason: when he represents a client, he's all in. No matter how tough the fight. No matter how big the challenge. When it matters most, he's there for people who have been wronged. He takes every case personally, treating each client like family while he fights to rebuild their lives.

When people need to win, they call Jason. He's won several verdicts and settlements worth more than $100 million, dozens of results worth more than $10 million, and more than 200 results worth $1 million or more. In total,...

Ty M. Sheaks is a partner with McCathern and is the go to “fixer” for McCathern’s most difficult and high-exposure litigation matters. He has a unique and diverse background counseling business partners in a variety of civil and commercial litigation matters on a national level. Prior to joining McCathern in 2013, Mr. Sheaks served as national trial counsel for a multi-national corporation handling all aspects of defending toxic tort and product liability claims in state and federal courts nationwide.

Mr. Sheaks heads up McCathern’s Retail, Restaurant, and Hospitality Section, but has extensive experience and a successful track record in...

I was born and raised in Denton, Texas and graduated from Denton High School in 1998. My mother is and has been a physician in Denton since 1980. I feel that my educational background in science, business, and law gives me a unique perspective on any dispute including those involving complex business structures. Additionally, due to my experience with small businesses, I understands the issues and potential obstacles that affect them as well.

I received my law degree from Texas Wesleyan University School of Law in 2008. Prior to law school, I received an undergraduate degree in Mechanical...

Board Certified (Personal Injury Trial Law) by the Texas Board of Legal Specialization, Spencer Browne has tried nearly 50 cases to verdict throughout Texas. His personal injury practice focuses on complex pharmaceutical, contract, insurance, trucking, medical malpractice, and general personal injury litigation.

RegitzMauck Mission: To provide value-based legal services to cost-conscious clients seeking high quality legal representation in intellectual property, cybersecurity, and data privacy matters and disputes.

Mike Regitz focuses his practice on intellectual property and technology disputes, counseling, and licensing.

As a Certified Information Privacy Professional (CIPP/US), Mike also assists firm clients with cybersecurity, data privacy, and cyber insurance coverage issues and disputes.

Mike is licensed to practice law in Texas and is admitted to various federal courts across the country. He is also registered to practice before the U.S. Patent and Trademark Office, and his patent and trademark prosecution practice includes...

A dedicated advocate for her clients, Jill is experienced in serving clients in a wide range of legal needs. Born and raised in Denton, she is very involved in the local community and has been recognized with numerous awards. For instance, She was appointed by the Governor of Texas to the Texas Woman’s Board of Regents and was elected Chair of the Board in 2019. Jill graduated from Denton Chamber of Commerce’s Leadership Denton program and currently serves as Board Chair of the Chamber. Jill was voted Best Civil Lawyer in the “Best of Denton County” publication (for 2016,...

Andrew serves as a consultant for a wide variety of business sectors, from start-ups to Fortune 500 companies implementing procedures to safeguard them against litigation. He is a certified Association of Title IX Administrators (ATIXA) Level II Civil Rights Investigator and a certified Diversity, Equity and Inclusion Trainer. Andrew has developed training programs related to workplace harassment prevention; EEOC; COVID-19 safety; and diversity & inclusion. He served on a corporate transaction team that made national news in 2021 for finalizing the acquisition of a $2.3 billion all-cash transaction in Texas. Due to the passing of family members in Andrew's life, he...

My chief passion is to revolutionize the way legal services are delivered, particularly intellectual property (IP) and technology law. I am an evangelist for change in how law firms are structured to provide a different kind of experience for not only clients, but also professionals in the legal industry. One of my greatest career achievements is our firm twice winning honors as one of the best places to work in Dallas, as recognized by the Dallas Business Journal in 2010 and 2011. As part of this mission, we have embraced conscious capitalism (sometimes called purposeful capitalism) and...

Candace received her Juris Doctorate from Loyola University and has been an attorney for over 20 years. She is admitted and licensed to practice in all Texas and Louisiana Courts and over 15 Federal Jurisdictions including the United States Fifth Circuit Court of Appeals. Candace's practice areas include: Real Estate Law (including real estate investors), Landlord/Tenant Law, Business set-up and governance, Contracts, Collections, Creditor's Rights, Asset Protection, Estate Planning, Probate and Successions. She is excited about helping her clients resolve legal matters as quickly as possible. Sometimes, all it takes is a phone call. Other times, may involve going to...

During law school, Simon interned with the Refugee and Immigrant Center for Education and Legal Services (RAICES) where he assisted families with release from detention centers, visa applications, and removal proceedings. Simon interned as a Certified Legal Intern for the Legal Aid Society of the Orange County Bar Association and Florida A&M University College of Law Legal Clinic as a Guardian Ad Litem, representing the best interest of children inside and outside of the courts. Simon also interned with a boutique law firm in Dallas, assisting their clients with commercial real estate, intellectual property, social media, tax planning, employment law, and...

Austin assists Plaintiffs, Defendants, and transactional clients in a variety of matters and disputes. He is uniquely situated to handle opposing counsel no matter the sophistication or size of his adversary. Austin has significant trial experience and has been successful in obtaining favorable verdicts on behalf of his clients in a variety of matters. He utilizes his large law firm experience while drawing on his client-centered results-driven experiences gained at smaller law firms.

Austin prides himself on being accessible to his clients and is committed to pursuing results that exceed expectations. His intent with every person whom he represents is to...

In over 20 years of experience securing, prosecuting and asserting his clients’ intellectual property rights, Ken’s career has included work with a wide variety of intellectual property assets, including utility patents, copyrights, design patents, trade and service marks and trade secrets across a broad range of technologies.

Welcome to Atrium Legal Group – Gateway to Comprehensive Estate Planning Focusing on specific types of law allows our attorneys to understand the finite details of both simple and complex situations, quickly and efficiently. They work constantly to keep up on the latest tax, estate, and business laws to ensure the plan you put together will continue to work for you, as things change. When you sit down with one of them, they will always: factor in the probate process, possible tax ramifications, and the validity of the pieces you’ve put in place. Then they help you understand how to minimize the...

Maryssa Simpson is a trial lawyer and partner in The Potts Law Firm’s Dallas office. Maryssa grew up in the small town of Bridgeport, Texas and is from a family of trial lawyers. Her background gave her a passion for trial work, and she carries that forward in her practice.

Maryssa graduated from Baylor University and received her law degree from the University of Texas School of Law. During law school, Maryssa was an advocate for a national championship mock trial team and received the International Academy of Trial Lawyers Student Advocacy Award. While at UT, Maryssa also won Best Advocate...

Sean Modjarrad serves as the Managing Shareholder and founder of MAS Law, an award-winning personal injury law firm based in Dallas, Texas. With a robust litigation background, he has successfully handled over 600 cases in Texas courts and over 90 cases in federal courts. Dedicated to championing justice and advocating for those without a voice, Sean is widely acknowledged for his expertise in civil rights law and his relentless pursuit of positive legal reform. He has represented numerous landmark cases that have led to the reinterpretation of existing laws, ultimately providing enhanced protection for the wrongly accused. In a notable instance,...

I have over 25 years of experience as a litigator and am a former national co-chair of Littler Mendelson’s Unfair Competition and Trade Secrets Practice Group. From employment disputes to trade secret protection, wrongful competition, business mediation and litigation, and drafting and enforcement of non-compete agreements, I have truly seen it all.

I have dealt with high-profile cases that give me unique and unparalleled expertise and insight. Combined with my one-of-a-kind talent for creative problem solving and “out of the box” thinking, I am able to craft successful resolutions to complex legal problems.

Jack Ternan's practice includes extensive experience in commercial litigation, business litigation, arbitration, appeals and appellate, corporate litigation, real estate litigation, breach of contract, open government litigation, partnership / business divorce disputes, and other civil litigation. Mr. Ternan also has experience in advising businesses and individuals on how to resolve or settle disputes without litigation. Jack Ternan grew up in Plano, Texas, where he currently resides with his wife and sons. Prior to starting the Ternan Law Firm, Mr. Ternan was a partner at Bickel & Brewer, now known as Brewer, Attorneys & Counselors. He has been...

Levi G. McCathern, II is widely recognized as one of the premier litigation lawyers in Texas. He is Board Certified in both Civil Trial Law and Labor and Employment Law by the Texas Board of Legal Specialization, a double certification held by only 26 of the 87,000 attorneys in Texas.

Mr. McCathern specializes in catastrophic damage litigation and is frequently summoned to defend specialized, high-damage claims, including all types of commercial litigation. In addition, he has served as lead counsel for numerous jury trials and is regularly called upon to provide legal consultation to companies throughout the country.

Mr. McCathern serves as...

Attorney Justin N. Bryan joined the McCathern Dallas office in 2016 and his legal practice focuses on Business and Securities Litigation, but he has experience in many areas of law. Mr. Bryan represents defendants in complex multi-million dollar litigation and has also recovered millions of dollars for plaintiffs.

Mr. Bryan is a graduate of the Texas Tech University School of Law in Lubbock where he was awarded the American Jurisprudence Award for Advanced Legal Research and Property and was a member of Phi Delta Phi, an international legal honor society. He received his Bachelor of Science from Texas A&M University and...

Voted Johnson County's #1 lawyer or law firm for 5 years, Scott is a general practice attorney with an emphasis on civil litigation, trial and appeals. He has handled many jury trials and appeals covering areas that include real estate, oil & gas and business transactions. Scott also currently serves as Mayor of Cleburne. In addition to litigation and trial, the attorneys at Cain & Associates handle transactional matters ranging from estate planning and wills to real estate transactions and corporate matters. The firm's areas of practice include real estate, probate, oil & gas, business and contract.