▁ ▁The ▁same ▁principles ▁should ▁const rain ▁the ▁composition ▁of ▁a ▁Board ▁of ▁App e al ▁in ▁opposition ▁appeal ▁proceed ings ▁vs . ▁its ▁composition ▁in ▁exam ination ▁appeal ▁proceed ings ▁in ▁relation ▁respectively ▁to ▁a ▁European ▁pat ent ▁and ▁the ▁European ▁pat ent ▁application ▁that ▁gave ▁rise ▁to ▁that ▁pat ent . ▁ ▁See ▁also ▁▁ ▁Inter ▁part es ▁review ▁( U . S . ▁pat ent ▁law ) ▁ ▁Re ex am ination ▁( U . S . ▁pat ent ▁law ) ▁ ▁References ▁and ▁notes ▁ ▁External ▁links ▁▁ ▁European ▁Pat ent ▁Convention , ▁Part ▁V , ▁O pp osition ▁and ▁Lim itation ▁Pro cedure ▁( Art . ▁ 9 9 ▁to ▁ 1 0 5 ) ▁ ▁: ▁Gu idel ines ▁for ▁O pp osition ▁and ▁Lim itation / Re v ocation ▁Pro ced ures ▁ ▁: ▁" O pp osition ▁procedure " ▁ ▁Special ▁edition ▁ 1 / 2 0 1 0 , ▁An c ill ary ▁Reg ulations ▁to ▁the ▁European ▁Pat ent ▁Convention ▁( PDF , ▁ 1 . 9 ▁MB ), ▁section ▁d . 4 : ▁" O pp osition " ▁( pp .   7 3 – 7 4 ). ▁ ▁Notice ▁from ▁the ▁E PO ▁concerning ▁the ▁opposition ▁procedure ▁as ▁from ▁ 1 ▁July ▁ 2 0 1 6 , ▁Official ▁Journal ▁ 2 0 1 6 , ▁A 4 2 ▁ ▁Category : Europe an ▁Pat ent ▁Organisation <0x0A> </s> ▁W K R K ▁( 1 3 2 0 ▁AM ) ▁is