MERCK & CIE PATENTS FACING OPPOSITIONS
Top patents of MERCK & CIE facing oppositions at the European Patent Office (EPO)
| Patent Number | Grant Date | Patent Title | Expected Expiration Date | Facing Oppositions | Activity Alert |
|---|---|---|---|---|---|
| EP1687308B1 | 12 Jun, 2019 | Crystalline Forms Of (6R) -L-Erythro-Tetrahydrobiopterin Dihydrochloride | NA | 1 |