Checking the Validity of Patents in India

India has a sound system to check the quality of patents. Article 25 (1): Opposition before granting approval: Under this article, anyone object to the patent at any time after publication of the patent application can do. That subsidy. Procedures for pre-approval are unilateral. Article 25 (2): Opposition after grant: According to this section, "interested person" can object to a patent within one year from the date of publication of patent grant. Procedures for granting approval after granting belong to section 64 of the parties: withdrawal of patent: According to the provisions of this article, a patent right can be withdrawn at any time during the validity period of the patent.

According to a patent issued last Thursday by the US Patent and Trademark Office (USPTO), Lenovo is ready to integrate block chain technology into the system to validate physical files. The new patent shows that Chinese technology giant develop digital signature to verify the validity of the document. According to the public record, this proposal was first proposed in August 2016. Lenovo uses a processing device that scans and decodes the encoded signature in the physical file and converts it into a digital "map" that can be used to verify the file. The processor is responsible for digitizing a series of signatures. Each signature is similar to a block in a security chain. In other words, a "secure block chain" constitutes a distributed database that can hold a large amount of record data for authentication extracted from various sources.

According to CoinDesk, Lenovo applied for block chain technology to verify the validity of the physical file. In this patent application, Lenovo describes a system that "utilizes a digital signature encoded in a physical document that can be processed by a computer and other machines to verify the validity of the document".

European patent European patent is a patent granted by the European Patent Office after completion of the intensive filing and review process. It is valid in each country and consists of numerous national patents selected by the applicant during the patent examination process. Please devise a new solution to the technical problem. If the present invention shows a particular inventive step and is industrially available, legal protection can be applied by a patent or utility model. The present invention relates to a purpose, a manufacturing method and an operation method.