Allen Intellectual Property 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...

Charles McGarry is a sole practitioner in McKinney, Texas. The main areas of his practice are civil trials and appeals and entertainment law. He has been board certified in Civil Appellate Law by the Texas Board of Legal Specialization since 1989.

Charles graduated with High Honors in Philosophy from the State University of New York at Binghamton in 1979, and from the University of Texas School of Law in 1982. Upon graduation, he clerked for Hon. Bill Stephens at the Fifth District Court of Appeals of Texas in Dallas, the state’s largest and busiest appellate court. Ten years later, he received...

Steven Laureanti is an attorney and shareholder at JacksonWhite Attorneys at Law, one of the largest full-service firms in Phoenix's East Valley. Steven focuses his practice on intellectual property, including patent law, IP consulting and auditing, IP litigation and outside counsel, international IP and related areas. He has extensive experience in the areas of patent preparation, appeals, prosecution and reexaminations. With his background in engineering, Steven is extremely familiar with mobile technologies, telecommunications, medical technologies and other high-tech industries. To learn more about Steven's comprehensive intellectual property services, visit his website with the link in the left-hand sidebar.

General Counsel

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...

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...

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.

I have over 40 years of experience in cases involving business law, intellectual property, employment and labor law, healthcare law, civil litigation, personal injury defense and probate matters. I am licensed in Texas and Louisiana, admitted to all federal courts in Texas, the ED La., Federal Circuit, 5th Circuit and 11th Circuit Court of Appeals and US Supreme Court. I am a Texas SuperLawyer, AV-rated by Martindale Hubbell, and Lead Counsel rated in Business law. I am a Bet the Company Litigator.

J. Spencer Young is a Senior Associate Attorney at Sul Lee Law Firm. In assisting clients to obtain the best possible result, Spencer takes pride in working with clients and not just for them. Spencer combines his past work experience, an empathetic understanding, and an outside-the-box, yet practical approach to attack problems head-on. Born and raised in the heart of West Texas, Spencer attended the University of Texas at Austin for his undergraduate studies where he graduated with a Bachelor of Arts degree in government. Thereafter, Spencer attended Texas Tech School of Law, where he graduated in 2019. Spencer served as...

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...

A New Orleans native, Dominique received a Bachelor of Business Administration in Finance from Loyola University New Orleans. After taking a gap year to move to Oakland, California, Dominique returned to New Orleans and continued her undergraduate education while also working full time to put herself through school. Following her undergraduate education, Dominique went on to receive her Juris Doctor from Tulane University New Orleans, where she focused primarily on corporate and intellectual property law. During law school, Dominique demonstrated her ability to balance her coursework with extracurriculars. Ms. Williams served as a member of Tulane’s Black Law Student’s Association Mock...

As the Managing Attorney at Sul Lee Law Firm. Diren Singhe instills a philosophy based on client-centric legal representation rooted in legal ethics, simple pragmatism, and Abraham Lincoln’s observation that the law is fundamentally the best reasoning of the wisest, applied over the ages “to the transactions and business of mankind.” Following an early life spent all over the world from Europe to South America, California, and New York, Diren started his career as an executive at an energy industry startup in Houston before moving onto international commercial and intellectual property ligation, construction and design professional liability, fiduciary litigation, and then...

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...

Our practice is focused on advising and representing startups, small business owners, and privately held corporations. Our services encompass business formation, corporate and LLC compliance, contract writing, reviewing, and negotiating, as well as trademark registration and maintenance. We pride ourselves in helping clients protect their business interests through personalized legal counsel and representation.

David Rothweil is an associate attorney at Sul Lee Law Firm, supporting the firm’s business litigation and transactional practices. David combines his past work experience, analytical thinking, active listening, and advocacy skills to work with clients to obtain the best possible outcome. He also assists various types of businesses with their needs involving formation, operation, and governance. He represents buyers and sellers in stock and asset purchase transactions. David began practicing after passing the 2021 Uniform Bar Examination in Texas. His past civil litigation experience includes commercial auto/trucking liability, premise liability, liquor liability, general negligence, medical malpractice, and professional liability. He is...

Clients and colleagues call Barry Barnett an “incredibly gifted lawyer” (Chambers and Partners) who is “magic in the courtroom” (Who’s Who Legal), “the top antitrust lawyer in Texas” (Chambers and Partners), and “a person of unquestioned integrity” (David J. Beck, founder of Beck Redden). Barnett is a Fellow in the American College of Trial Lawyers, and Lawdragon has named him one of the top 500 lawyers in the United States three years in a row. Best Lawyers in America has honored him as “Lawyer of the Year” for Bet-the-Company Litigation (2019 and 2017) and Patent Litigation (2020) in Houston. Based in...

Since 1994, Internet Lawyer Mike Young has been helping entrepreneurs protect, grow, buy, and sell ecommerce companies. Attorney Young focuses on business transactional law (no litigation).

Daniel Mark Ogden, Esq. is an attorney at law, licensed customs broker, and international trade consultant who for more than 25 years has counseled and represented companies on various aspects of international trade and business. With his advanced degrees and proficiency in both law and international business management, he possesses the ability and experience to understand the challenges faced by firms involved in international trade not only from a legal but also a managerial and business perspective. His professional services are designed to assist U.S. firms in proactively managing the legal and business risks that result from their...

Paul Grinke is Managing Partner of McCathern’s office at The Star in Frisco, Texas. Mr. Grinke has broad experience on a national level, litigating complex commercial and catastrophic event claims from both sides of the docket. He has successfully litigated commercial breach of contract, fiduciary duty, and employment covenant claims. In addition, Mr. Grinke prosecutes and defends claims involving personal injury, wrongful death, and disastrous property damage arising from construction defect, product defect, trucking, and liquor liability.

Mr. Grinke leads McCathern’s Construction Defect, Product Liability and related Fire Litigation practices. He has particular expertise in counseling institutional clients involved in tragic...

Attorney Mark Nacol has been serving clients in the Dallas / Fort Worth Metroplex for over 30 years. Mark offers legal advice and representation in a broad scope of practice areas, with an emphasis on the following: - Civil Litigation - Commercial Litigation - Family Law & Divorce - Fathers Rights - Business Transactions - Intellectual Property - Probate Law and Will Contests - Real Estate Litigation Mark Nacol has a reputation as a smart and tough advocate who has a natural ability to communicate...

Clinton Prospere is a Senior Associate Attorney at Sul Lee Law Firm, specializing in litigation with a strong commitment to client satisfaction. Clint prides himself on his ability to deliver outstanding results for his clients through meticulous preparation and strategic advocacy. Combining his extensive litigation experience with a deep understanding of his clients’ needs, Clint approaches each case with a tailored strategy to ensure the best possible outcome. Originally from Massachusetts, Clint attended Boston University for his undergraduate studies where he graduated with a Bachelor of Arts degree in International Relations. Thereafter, Clint attended Roger Williams University School of Law. After...

Mr. Moster heads the Firm’s Oil & Gas Law Practice at our office in Midland – Odessa at the Claydesta Center (pictured below) in addition to its Intellectual Property practice with an emphasis on Artificial Intelligence. He has represented top computer scientists in the field. Mr. Moster’s experience over 33 years as an AV-rated lawyer is multifaceted. He commenced his practice as a business and litigation attorney for the U.S. Department of Commerce during the Reagan and Bush administrations focusing on industrial projects in excess of $1 Billion. He has represented Oil & Gas companies in diversified areas from production to...

RUDY BEUTTENMULLER, born St. Louis, Missouri, December 20, 1953; admitted to bar, 1980, Texas. Also admitted to U.S. District Court, Northern District of Texas; U.S. Bankruptcy Court, Northern District of Texas; U.S. District Court, Eastern District of Texas; U.S. Bankruptcy Court, Eastern District of Texas; U.S. District Court, Western District of Texas; U.S. Tax Court. Education: Princeton University (B.A., cum laude, 1976); Duke University (J.D., with distinction, 1980). Staff Member, 1978-1979 and Articles Editor, 1979-1980, Duke Law Journal. Author: Comment, "The Goal of The New Premerger Notification Requirements: Preliminary Relief Against Anticompetitive Mergers," Duke Law Journal 249, 1979....

Mr. Wilson is a Shareholder of the Wilson Legal Group P.C. He is a former associate of Jenkens & Gilchrist P.C., and senior associate of Fish & Richardson P.C. Mr. Wilson's practice is focused on the development and licensing of intellectual property, intellectual property litigation, and intellectual property portfolio management. Other legal services include the preparation of family law litigation, counseling companies in corporate formation, mergers, and acquisitions, and foreclosure and collections representation.

Mr. Wilson is a skilled intellectual property attorney, focusing largely on the application for and defense of patents and trademarks. His background in the sciences allows him to...

As the Crosier Law Firm’s Managing Attorney, Robbie Crosier has had the pleasure of serving as corporate counsel for startups and early-stage companies from more than 25 different industries, including artificial intelligence (A.I.), e-commerce, content creation, sports, music, fashion, and real estate. To date, Robbie has provided expert counsel for client ventures and transactions collectively valued at over $10 million. Robbie graduated an Honors Scholar with Distinction from Baylor University’s University Scholars Program. He then went on to receive his Juris Doctor from Texas A&M University School of Law, where his passion for partnering with growing companies and startups was...

Mr. Fischer has been counsel for his clients on numerous patent infringement cases in the Federal Courts from coast to coast, representing clients from North America, Asia, and Europe. As a patent attorney, Mr. Fischer’s clients benefit from his extensive engineering and business management experience. As a licensed professional engineer, Mr. Fischer holds several U.S. patents of his own. He has successfully prosecuted over 100 patents for his clients domestically and internationally. Mr. Fischer has built and managed manufacturing facilities, and served in capacities ranging from Project Manager to Vice-President of various companies. He regularly negotiates licenses for his clients...

Grady K. Bergen is a partner at Griggs Bergen LLP, a law firm specializing in intellectual property with offices in Dallas, Texas. He is a registered patent attorney with the U.S. Patent and Trademark Office and is licensed to practice in Texas and Missouri. Mr. Bergen earned his Juris Doctorate from Baylor University School of Law in 1992, and holds a B.S. in Chemical Engineering from the University of Oklahoma, completed in 1988. His legal practice focuses on patents, trademarks, copyrights, and related intellectual property matters. With a background in engineering, Mr. Bergen is experienced in handling cases across various technology...

Alyssa Krahmer founded Krahmer Law Firm, PLLC in 2017 after over 20 years of practicing for large corporations. Equipped with this experience and knowledge of legal solutions used by large companies, Alyssa’s goal was to bring the same level of service to smaller organizations and individuals. Her firm’s mission was to perform high quality legal work, to charge fair prices for it, and to constantly evolve to respond to the changing needs of the firm’s clients. Areas of law include: contracts, trademarks, entity formation, lease review, franchise, merger & acquisition, employer-side employment law and wills.

I'm a native Texas who is passionate about attaining the best result possible for my clients under the given facts and law; I do not practice law for any other reason than to relentlessly give my clients the professionalism they are owed- but also to be a counselor in a time of strife. If I take your case, it means as much to me as it does to you. Because, I know nobody wants to face criminal jeopardy, whether it be a criminal charge against them, or a civil matter that may require litigation or a simple workout...

In private practice in the Dallas area for over 20 years. U.S. and international patent prosecution for software, electro-mechanical and product designs; copyright, trademark, business litigation and corporate transactional law.

Matthew Neill Davis is an attorney and entrepreneur that led his solely owned firm, Davis Business Law, through over 1000% percent growth over six years, making it one of very rare law firms ever to make the Inc 5000 list. The firm currently has seven offices from Dallas to Kansas City. Martindale Hubble recognized Davis with its prestigious AV rating as one of the Preeminent Attorneys in America for demonstrating the highest levels of skill and integrity. With over twenty-five years of experience helping businesses leaders with their legal and entrepreneurial matters, Davis now teaches them how to deal...

Trial lawyer practicing in business and commercial litigation with a comprehensive background representing clients in a diverse range of practice areas and industries, including banking and finance, contracts, business torts, real estate, IP, bankruptcy, M&A, securities, construction, employment, tax-exempt organizations, antitrust and corporate governance.