The incoming board lines for O/o CGPDTM, Patent Office & Trademark Office Mumbai are:
022-24141026, 022-24112211, 022-24159192 & 022-24159194.
Help Desk for Patent Office,Mumbai (All inquiries relating to Patent Office,Mumbai): 022-24156395 ,022-24159192 Ext. 291, 022-24159194 Ext.291
Help Desk for Trademarks (Inquiry and Information): 022-24101145/24101147
Trademark Office: +91-11-28032406/382
