With 68 standalone revocation actions and 321 counterclaims for revocations to date, both mechanisms are strategically used. Strategic observationsThe procedural windows in UPC revocation actions are tight – especially compared to national nullity actions before national courts or EPO oppositions. Advantages of UPC revocation actionsOn the upside for the UPC, the streamlined proceedings lead to a faster decision compared to an EPO opposition. Case-specific aspectsThere are further differences between UPC revocation actions and EPO opposition proceedings, which may be an advantage or disadvantage depending on the circumstances of the case. Beyond expected counterclaims for revocation, they may simultaneously face standalone central revocation actions from other parties.