Seattle – APRIL 17, 2023. TANGIBLE IP, LLC, an international patent brokerage and Intellectual Property advisory firm headquartered in Seattle, with over 5000 patents successfully brokered, announced that they brokered the sale of a portion of a digital content technology patent portfolio, owned by Digital Keystone. Neither the identity of the buyer nor financial details of the agreement could be disclosed. This portfolio relates to digital content storage, distribution and protection and is widely practiced by large companies operating in this space. Although certain patents are now off the market, there are 7 families still available for acquisition or licensing.

“We are exceptionally pleased with this initial transaction. Tangible IP took an innovative approach to present the portfolio in a way that demonstrated its potential. They negotiated persistently on our behalf to attain results that were beneficial to all parties involved. It is evident that Louis Carbonneau and his team work diligently to have a thorough understanding of the industry and the major players within it,” said Paolo Siccardo, President and CEO of Digital Keystone.

“We are always honored to be trusted with the sale of a dynamic portfolio for a new client. Through this partnership, we were able to design a roadmap that would maximize the value of the patents. This initial sale further highlights the strength of the assets, and we look forward to returning additional value to the client through subsequent transactions,” said Louis Carbonneau, Founder and CEO of Tangible IP.

 To receive an executive summary and relevant industry use information for this portfolio, please inquire at

Tangible IP, LLC specializes in selling high quality unencumbered patents and has now brokered the sale or license of over 5000 patent assets since its inception and has returned tens of millions of dollars back to inventors, shareholders and patent owners. 

ABOUT TANGIBLE IP, LLC Tangible IP offers full service patent brokerage and strategic IP advisory services. For more info, visit or contact us via email at