WIPO-Administered Treaties
Contracting Parties > Patent Cooperation Treaty (Total Contracting Parties : 147) > Brazil
| Contracting Party | Signature | Instrument | In Force | Details |
|---|---|---|---|---|
| Brazil | June 19, 1970 | Ratification: January 9, 1978 | April 9, 1978 |
| Contracting Party | Signature | Instrument | In Force | Details |
|---|---|---|---|---|
| Brazil | June 19, 1970 | Ratification: January 9, 1978 | April 9, 1978 |
