History of Indian Patent System

1856 THE ACT VI OF 1856 ON PROTECTION OF INVENTIONS BASED ON THE BRITISH PATENT LAW OF 1852. CERTAIN EXCLUSIVE PRIVILEGES GRANTED TO INVENTORS OF NEW MANUFACTURERS FOR A PERIOD OF 14 YEARS.

1859 THE ACT MODIFIED AS ACT XV; PATENT MONOPOLIES CALLED EXCLUSIVE PRIVILEGES (MAKING. SELLING AND USING INVENTIONS IN INDIA AND AUTHORIZING OTHERS TO DO SO FOR 14 YEARS FROM DATE OF FILING SPECIFICATION).

1872 THE PATENTS & DESIGNS PROTECTION ACT.

1883 THE PROTECTION OF INVENTIONS ACT.

1888 CONSOLIDATED AS THE INVENTIONS & DESIGNS ACT.

1911 THE INDIAN PATENTS & DESIGNS ACT.

1972 THE PATENTS ACT (ACT 39 OF 1970) CAME INTO FORCE ON 20TH APRIL 1972.

1999 ON MARCH 26, 1999 PATENTS (AMENDMENT) ACT, (1999) CAME INTO FORCE FROM 01-01-1995.

2002 THE PATENTS (AMENDMENT) ACT 2002 CAME INTO FORCE FROM 2OTH MAY 2003 2005 THE PATENTS (AMENDMENT) ACT 2005 EFFECTIVE FROM Ist JANUARY 2005