Less than two months after CVC made the surprising move to revoke two of its seminal European CRISPR patents, Sigma-Aldrich has done it too. While the facts that led to Sigma’s “self” revocation may be different than CVC’s, this en vogue trend of avoiding final decisions is troubling because it denies the public of the certainty it deserves.
CRISPR technology
To Be Or Not To Be: Self-Revocation of Seminal European Patents Creates New Uncertainty In CRISPR IP Space
By Fangli Chen & Nicholas C. Prairie on
There is no shortage of surprises and twists in the decade-long fight over the control of dominant IP in the CRISPR space. The newest one is the self-revocation of two seminal CRISPR patents in Europe by the team led by two Nobel Laureates Emmanuelle Charpentier and Jennifer Doudna (aka “CVC”). …
UC Berkeley CRISPR Patent Revoked in Europe Due To Invalid Priority Claim
By Christine G. Espino & Fangli Chen on
CRISPR patents continue to face priority challenges in Europe. Following an earlier revocation of CRISPR patent EP2771468 based on a successful priority challenge, another foundational CRISPR patent EP3241902, co-owned by University of California Berkeley (UCB), was revoked in its entirety last month by the European Patent Office (EPO) based on an invalid priority claim. This is the first significant loss of UCB’s CRISPR patent rights in Europe.