Chapters & Sections
CHAPTER 23
Section 140
Section 141
Section 142
Section 143
Section 144
Section 145
Section 146
Section 147
Section 148
Section 149
Section 150
Section 151
Section 152
Section 153
Section 154
Section 155
Section 156
Section 157
Section 157A
Section 158
Section 159
Section 160
Section 161
Section 162
Section 163
CHAPTER 13 Home
REGISTER OF PATENTS
SECTION 68.
ASSIGNMENTS, ETC., NOT TO BE VALID UNLESS IN WRITING AND DULY EXECUTED
An assignment of a patent or of a share in a patent, a mortgage, licence or the creation of any other interest in a patent shall not be valid unless the same were in writing and the agreement between the parties concerned is reduced to the form of a document embodying all the terms and conditions governing their rights and obligations and duly executed.