<span style="color: #222222;">The Government today said 1535 patents have been filed by the IITs in the last three years. Out of these, 69 patents have been converted into products and processes, which have benefited the country. In a written reply in Rajya Sabha, Education Minister Dharmendra Pradhan said the total commercial value of these patents which have become commercially viable is over 13 hundred 21 lakh rupees.<br />'' <br />''<br />''He said these institutes have been front runners in the field of research and innovation that have benefitted industry and the society.</span>