▁After ▁taking ▁his ▁degree ▁in ▁ 1 8 8 0 , ▁Parker ▁entered ▁at ▁Lincoln ' s ▁Inn ▁as ▁a ▁student ▁and ▁read ▁in ▁the ▁ch amb ers ▁of ▁Matthew ▁In gle ▁Joy ce . ▁He ▁was ▁called ▁to ▁the ▁bar ▁in ▁ 1 8 8 3 ▁and ▁remained ▁in ▁In gle ▁Joy ce ' s ▁ch amb ers . ▁In ▁ 1 9 0 0 , ▁In gle ▁Joy ce ▁was ▁appointed ▁to ▁the ▁High ▁Court , ▁and ▁Parker ▁was ▁selected ▁by ▁Lord ▁F In lay ▁to ▁succeed ▁In gle ▁Joy ce ▁as ▁junior ▁equ ity ▁coun sel ▁to ▁the ▁Tre as ury , ▁although ▁he ▁was ▁unknown ▁to ▁the ▁public . ▁He ▁never ▁took ▁sil k . ▁ ▁Jud icial ▁career ▁ ▁Parker ▁was ▁appointed ▁a ▁justice ▁of ▁the ▁High ▁Court ▁in ▁ 1 9 0 6 , ▁receiving ▁the ▁custom ary ▁kn ighth ood . ▁Ass igned ▁to ▁the ▁Ch anc ery ▁Division , ▁he ▁rapidly ▁acquired ▁a ▁jud icial ▁reputation , ▁and ▁sometimes ▁sat ▁as ▁an ▁additional ▁judge ▁of ▁the ▁Court ▁of ▁App e al . ▁He ▁was ▁especially ▁known ▁for ▁his ▁trial ▁of ▁pat ent ▁cases , ▁and ▁settled ▁the ▁practice ▁under ▁the ▁Pat ents ▁and ▁Design s ▁Act ▁ 1 9 0 7 . ▁After ▁deliver ing ▁a ▁jud g ement ▁on ▁the ▁Mar con i ▁wireless ▁te legraph y ▁pat ents ▁in ▁ 1 9 1 3 , ▁he ▁was ▁invited ▁to ▁chair ▁a ▁technical ▁advis ory ▁committee ▁on ▁wireless ▁te legraph y , ▁appointed ▁to