Together we lead a team of specialized Royalty Audit Experts who consistently uncover inaccurate reporting for our clients around the world

OUR GOAL is to help IP owners maximize the value of their license portfolio through positive interactions with their Licensees  yielding thorough and supported audit results that add to their bottom line today.

InvotexIP is dedicated to helping our clients collect what they are contractually due and deserve. Our royalty audits enable open and respect driven communication and generate a clear understanding of the financial aspects of the contracts moving into the future. Mistakes happen. You will never know the true magnitude until you do a full royalty audit.

head shot black and white - square.jpg

Debbie Stewart

Founder and Managing Director

Bio on LinkedIn
Download PDF of CV

Debbie has been working in the Intellectual Property Consulting world for over 25 years. Arguably, Debbie has personally managed more royalty audits than anyone else in the industry. She has often assisted her clients to resolve misreporting as well as provided testimony as an expert on behalf of her clients.


Dave Lambdin

Managing Director

Bio on LinkedIn
Download PDF of CV

Dave provides a full suite of intellectual property consulting services including royalty audits, desk audits and other investigation and verification services. He has over 25 years of experience providing accounting and consulting services to clients in a breadth of industries.