'They say that there is at least one clinical trial underway with a BeiGene BTK degrader (BGB-16673) that "incorporates and/or is derived from AbbVie’s BTK degrader trade secrets and confidential information that BeiGene enticed and encouraged Liu to use and disclose to BeiGene".

https://www.science.org/content/blog-post/stealing-protein-degrader-secrets