Govt of India launched E-filing of patent and trademark applications on 20th July 2007 and 1000 patent applications were filed till 24th July 2008, which is only 3% of total filing. The awareness about the E-filing in India may be less or patent agent may be sceptical to file through electronically. Here you can find the process of e-filing patent application in India. [Source: Indian patent office].
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