WISTA LABORATORIES PATENTS FACING OPPOSITIONS
Top patents of WISTA LABORATORIES facing oppositions at the European Patent Office (EPO)
| Patent Number | Grant Date | Patent Title | Expected Expiration Date | Facing Oppositions | Activity Alert |
|---|---|---|---|---|---|
| EP2322517B1 | 24 Apr, 2019 | Methods Of Chemical Synthesis And Purification Of Diaminophenothiazinium Compounds Including Methylthioninium Chloride (Mtc) | NA | 2 | |
| EP3121169B1 | 09 Feb, 2022 | Methods Of Synthesis And/Or Purification Of Diaminophenothiazinium Compounds | Jul, 2027 | 1 | |
| EP3378856B1 | 02 Dec, 2020 | Crystalline Methylthioninium Chloride Hydrates | NA | 1 |