Denise advises technology companies in relation to their IP rights, especially in the context of complex patent disputes across a range of industries. Clients turn to her as a trusted business advisor and legal counsel for her technical and legal expertise and her client-centric practical strategic approach.

Denise offers advice to clients in advance of litigation and represents clients in court, in particular in patent infringement proceedings before all patent litigation chambers and in validity proceedings before the Federal Patent Court (including appeal proceedings before the Federal Supreme Court) and the European Patent Office as well as in arbitration proceedings. Her expertise covers a wide range of industries and technologies, in particular mechanical engineering, telecommunications and IT (including software), electronics and semiconductors. Denise regularly acts in litigation concerning standard-essential patents (SEP) and specializes in the interface of patents and antitrust law (FRAND). She is also frequently involved in complex cross-border patent disputes, coordinating proceedings in multiple jurisdictions.

Denise is featured as One to Watch and as a Recommended Individual in Patent Litigation by JUVE and JUVE Patent (2022), Rising Star by Managing IP (2019, 2020, 2021 and 2022), by The Legal 500 (2021 and 2022) and by the LMG Media Group Expert Guides (2022). World IP Review has recognized her as one of 20 female global Trailblazers and Best Lawyers are listing her as "One to Watch" in 2023.