THE PATENTS ACT, 1970

• Inventions not patentable Secs. 3 to 4
• Persons entitled to apply for patents Sec. 6
• Opposition to the patent Secs. 25
• Provisions for secrecy of certain inventions Secs. 35 to 42
• Grant of patents Sec. 43
• Amendment of patent granted to deceased applicant Sec. 44
• Date of patent Sec. 45
• Rights of patentees Sec. 48
• Term of plant (20 years) Sec. 53
• Surrender of patents Sec. 63
• Revocation of patents Sec. 64
• General principles applicable to working of patented inventions Sec. 83
• Compulsory licences Secs. 84, 94
• Burden of proof in case of suits concerning infringement Sec. 104A
• Certain acts not to be considered as infringement Sec. 107A
• Appeals to the Appellate Board Secs. 116 to 117
• Penalties Secs. 118 to 124
• International arrangements Secs. 133 to 139