Castell Business Lawyers

My practice is centered around developing strategies for and safeguarding the Intellectual Property (IP) of various businesses, whether they are privately held or publicly traded. This includes everything from the initial identification and acquisition of IP to its licensing and enforcement. My work encompasses the preparation, prosecution, and litigation of patents, trademarks, and copyrights; the licensing of these rights; providing opinions on their validity and infringement; handling trade secrets, agreements, and related litigation; managing OEM and distribution agreements; overseeing technology sharing and joint development agreements; engaging in commercial and business litigation; and negotiating other general business agreements. I have a deep...

Alan Abergel is an attorney licensed by both the State Bar of California and the State Bar of Texas. My firm’s concentration is in the representation of entrepreneurs and their businesses. My firm provides transactional, regulatory, and administrative litigation services. My firm often acts as outside general counsel for its clients’ businesses. My firm serves many business industries including, lending, financial services, equipment leasing and finance, real estate, technology startups, professional services, music/entertainment, new media, fitness/wellness, manufacturing, restaurants, and apparel. As a Texas and California, business law firm, my firm...

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. • Personal Injury

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...

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...