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The Baidu Patents search engine is the result of a collaboration between the China Patent Information Center (CPIC), the Chinese Patent Office (SIPO) and Baidu. [1]Baidu Patent Search is said to be integrated with a patent database which amounts to 2.7 million Chinese patents.
In 2013, with the addition of the United States Patent and Trademark Office (USPTO) and China’s national patent collections the database past the 30 million record mark. [4] [5] In 2014, Espacenet, Patentscope and Depatisnet were the main multinational patent databases offered by patent authorities which are available to the public free of ...
As SIPO, the institution became the world's largest patent office in 2011. [3]: 4 To streamline the patent application process for patentees filing under both the Chinese and United States systems, SIPO and the U.S. Patent and Trademark Office (USPTO) established a Patent Prosecution Highway (PPH) pilot program on December 1, 2011. [5]: 141
The recommended use is the two-letter country code followed by the patent document number and then the kind code, e.g., "US 7,654,321 B1" for U.S. Patent No. 7,654,321 where there was no previously-published patent application publication, and "US 2003/1234567 A1" for U.S. Patent Application Publication No. 2003/1234567, published in 2003. [1]
China became the country filing the largest number of patents in 2011. [14] This increase resulted in part from government incentives to patent filers, outpacing China's actual R&D spending and labor productivity.
China dominates the global race in generative artificial intelligence patents, filing more than 38,000 patents from 2014 to 2023, a U.N. report showed.
In order to keep the patent rights for the entire period, India's Patent Act has made it mandatory for the patent holders to pay a renewal fee. [17] Once the patent is granted the patentee does not need to pay a renewal or maintenance fee for the first two years. The first renewal fee will be payable from the third year onwards. [18]
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