Opposition Board means a board constituted under sub-section (3) of section 25.
Sub-section (3) of Section 25 states that
(a) Where any such notice of opposition is duly given under sub-section (2), the Controller shall notify the patentee.
(b) On receipt of such notice of opposition, the Controller shall, by order in writing, constitute a Board to be known as the Opposition Board consisting of such officers as he may determine and refer such notice of opposition along with the documents to that Board for examination and submission of its recommendations to the Controller.
(c) Every Opposition Board constituted under clause (b) shall conduct the examination in accordance with such procedure as may be prescribed.
Rule 56– Constitution of Opposition Board and its proceeding
Constitution of Opposition Board
There are two types of Patent Opposition :
Pre Grant Opposition
Post Grant Opposition
Know In Detail about Pre Grant Opposition and Post Grant Opposition.