CHAPTER VI
GRANT, DURATION AND EFFECT OF PATENTS
44.
45.
46.
47.
48.
49.
50.
51.
52.
Granting and sealing of patent
Effect of patent
Duration of patent
Restoration of lapsed patent
Rights of patentee of restored patent
Joint ownership in patents
Correction of clerical errors and amendment of documents
Amendment of specification
Rectification of register
CHAPTER VIII
LICENCES
53.
54.
55.
56.
57.
58.
Licences of right
Cancellation of endorsement on patent
Compulsory licences in respect of dependent patents
Compulsory licence in case of abuse of patent rights
Termination of contracts relating to licences
Effect of licence
CHAPTER IX
ASSIGNMENT, ATTACHMENT AND HYPOTHECATION OF PATENTS AND
APPLICATIONS FOR PATENTS
59.
60.
Assignment and devolution of patents by operation of law
Assignment, attachment and hypothecation of patent or application for patent
CHAPTER X
REVOCATING OF PATENTS
61.
62.
63.
64.
Grounds for application for revocation of patent
Patents comprising more than one invention
After revocation on ground of fraud inventor may obtain patent in certain
circumstances
Voluntary surrender of patent
CHAPTER XI
INFRINGEMENT
65.
66.
67.
68.
69.
69A.
70.
71.
Proceedings for infringement
Restriction on recovery of damages for infringement
Presumptions in relation to new substances
Relief for infringement of partially valid specification
Declaration as to non-infringement
Acts of non-infringement
Remedy for groundless threats of infringement proceedings
Special provisions as to vessels, aircraft and land vehicles of convention
countries
CHAPTER XII
EVIDENCE