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Showing results for :  CANADA
View IP laws and treaties


Country Number format Kind code Example From To Document type
 CA n(1-6) A CA889660 PN 100000 PN 917850 Patent published before 1973
 CA n(6-7) A1 CA1025822 PN 1000000 PN 1275150 Patent
 CA n(1-7) A2 CA1120667 PN 1000000 PN 1275150 Patent
 CA n(7) AA CA2049534 PN 2000001   Patent application laid open
 CA n(1-7) B CA2772515     Reissue of patent
 CA n(7) C CA2143598 PN 2000001   Patent
 CA n(7) F CA2057644 PN 1275151   Reexamination certificate
 CA n(1-6) S CA116503     Design

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Legend: l=a-z / n=0-9 / c=century / y=year / j=Emperor year / ( ) contains the length of the numerical part.
AD=application date / PD=publication date / PN=publication number.
A blank in "From" or "To" = without limit going backwards / forwards respectively.