Tilman Müller is specialized in patent infringement proceedings and parallel nullity proceedings. He has special expertise in complex international infringement proceedings, involving more than two parties as well as SEP and related antitrust issues. Furthermore, Tilman Müller has extensive experience in IP-related arbitration proceedings as well as in the judicial enforcement of license agreements.　

Another focus of his work are contracts in intellectual property law, in particular conception and implementation of license programs as well as R&D agreements. Tilman Müller also advises several international standardization organizations on contract law issues.　

Tilman Müller's clients include companies from various sectors and industries, such as consumer electronics, lighting, medical and communications technology as well as chemicals.　

Handelsblatt/Best Lawyers ranks Tilman Müller as one of Germany’s best lawyers 2022 in the field of Intellectual Property Law. He is also listed as a "Leading Patent Professional 2022" in IAM Patent 1000, which says "Tilman Müller is perfectly suited to the morst challenging cases involving standrad essential patents, intersecting IP and non-IP legal issues and multiple parties and jurisdictions. No amount of complexity throws him off his game and he always comes through with clear-sighted strategies."

He speaks German and English.