Filed under: History of Patents
1856-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-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 1st JANUARY 2005
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