, ▁as ▁I ▁have ▁indicated , ▁be ▁a ▁sale ▁of ▁an ▁article ▁em body ing ▁the ▁in vention . ▁It ▁may ▁also ▁be ▁a ▁le ase ▁there of . ▁What ▁matters ▁is ▁that ▁the ▁claim ant ▁as ser ts ▁a ▁right ▁in ▁the ▁mon opol y ▁and ▁that ▁the ▁source ▁of ▁that ▁right ▁may ▁be ▁trac ed ▁back ▁to ▁the ▁pat ente e . ▁[...] ▁ ▁Sign ific ant ▁Canadian ▁pat ent ▁cases ▁▁▁▁▁▁▁ ▁Pf izer ▁Canada ▁Inc . ▁v . ▁Canada ▁( He alth ), ▁ 2 0 0 7 ▁FC ▁ 8 9 8 ▁( 5 ▁October ▁ 2 0 0 7 ) ▁ ▁See ▁also ▁ ▁Pat ent ▁in fr ing ement ▁ ▁Def ences , ▁rem ed ies ▁in ▁Canadian ▁pat ent ▁law ▁ ▁References ▁ ▁Category : Can ad ian ▁pat ent ▁law ▁Category : Can ad ian ▁intellectual ▁property ▁law <0x0A> </s> ▁J . ▁Eug ene ▁Gr igs by ▁( Oct ober ▁ 1 5 , ▁ 1 9 1 8 ▁– ▁June ▁ 9 , ▁ 2 0 1 3 ) ▁was ▁a ▁multimedia ▁artist ▁and ▁educ ator . ▁His ▁primary ▁medium s ▁were ▁print making ▁and ▁painting . ▁Gr igs by ▁was ▁also ▁an ▁influ ential ▁educ ator ▁for ▁both ▁college ▁and ▁high ▁school ▁students . ▁ ▁Early ▁life ▁and ▁education ▁▁ ▁Gr igs by ▁was ▁born ▁in ▁Gre ens bor o , ▁North ▁Carolina ▁in ▁ 1 9 1 8 . ▁His ▁parents ▁were ▁both ▁teachers ▁and ▁re located ▁to ▁Charlotte , ▁North ▁Carolina