Patent status of YS110
| Country | Patent No. | The term of validation (not including patent term) | The term of validation (not including patent term) |
| U.S.A | 8030469 | National | 2026 |
| Japan | 4997239 | P.C.T. | 2026 |
| CH | 1907425 | European | 2026 |
| DE | 1907425 | European | 2026 |
| FR | 1907425 | European | 2026 |
| GB | 1907425 | European | 2026 |
| IT | 1907425 | European | 2026 |
| NL | 1907425 | European | 2026 |
| CN | 200680034937-4 | P.C.T. | 2026 |
| RU | 2486204 | P.C.T. | 2026 |
| IN | 292895 | National | 2026 |
Note 1： CH：Switzerland, DE: Germany, FR: France, GB: Great Britain, IT: Italy, NL: Netherland, CN: Peoples Republic of China, RU: Russia, IN: India
Note 2: P.C.T. application on July24th, 2006
Change of assignee on USA patent is under preparation on from SBI Incubation CO.,LTD. to Y’sAC Co., Ltd., and change of assignee on patent of European, Russia, China, or India is under preparation on from Y’sTherapeutics Co., Ltd. to Y’sAC Co., Ltd.