Let’s say, you were granted a Patent. Then the intimation letter would’ve clearly instructed you to pay the annuity renewal fee U/S 142 (4), also read with U/S 53, payable w.r.t. 3rd year onwards from the Date of Patent i.e. (filing date) before expiration of second year from the date of patent; and furthermore within 3 months (or not later than the extended period of 9 months) from the date of recordal of Patent in the Register. Albeit, the said fees is supposed to be filed within that duration; but somehow the renewal fees wasn’t deposited, & the Patent ceased to exist. So what’s the remedy?