WIPO- esp@cenet专利数据库：仅收录最近24个月公布的PCT申请的著录数据。
Coverage of the WIPO database
This database enables you to search in the patent applications published by WIPO (WO publications) in the last 24 months.
Note: It is not possible to perform a search in the abstract field or using a
European Classification symbol.
Under normal circumstances new patent applications are added to the database
on a weekly basis, which is currently two weeks after publication (Wednesday).
They are available in the worldwide database shortly afterwards. |
