Disclosure document
A laid- open specification (OS) is the first publication of a patent application . It is a preliminary stage to the examined patent specification .
In German patent law, the disclosure document is identified with the font code "A1". The corrected title page of an unexamined patent application has the font code “A8”, a corrected unexamined patent application has the font code “A9”.
Notwithstanding this, published documents at the European Patent Office and for PCT applications have the font codes "A1" (with search report) and "A2" (without search report).
Individual evidence
- ↑ Information on patent documents at home and abroad. Version 2.7. (PDF; 1.1 MB) (No longer available online.) In: DPMAinformativ No. 3. German Patent and Trademark Office, May 2009, pp. 11–12 , archived from the original on November 5, 2010 ; Retrieved October 1, 2010 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.
