Rule-139
139. Hearing before the Controller to be in public in certain cases.—
Where the hearing before the Controller of any dispute between two or more parties relating to an application for a patent or to any matter in connection with a patent takes place after the date of the publication of the complete specification, the hearing of the dispute shall be in public unless the Controller, after consultation with the parties to the dispute who appear in person or are represented at the hearing, otherwise directs.
