Number of State Grid Corp. patent filings by legal status 1999-2019

The State Grid Corporation of China filed a total of 16,397 patent families in 2018. The timeline is based on data provided by PatentSight. This was the second largest number of patents that were filed during the period in consideration. Of those 16,397 filings, 239 patent families have since gone inactive while 14,254 families filed in 2018 are still waiting on full protection as of October 1, 2020.

Number of State Grid Corporation of China patent families* worldwide by filing year from 1999 to 2019, by legal status

Filing Year	In force**	Pending	Inactive
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-
-	-	-	-

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Release date

October 2020

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Region

Worldwide

Survey time period

October 1, 2020

Supplementary notes

* A patent family is defined as a group of patent documents all of which have the same set of priorities. I.e., it is a group of patent documents that protect the same invention across authorities.

** The 'In force' category covers patent families that have been granted and are active.

*** As it usually takes 18 months after first filing for a patent to get published, the data for the year 2019 is subject to change.

The owner of a patent includes all patents owned by a company and its subsidiaries (by at least 50%) based on comprehensive research on corporate structures, M&A, Spin-offs, company names changes, patent transactions. PatentSight also tracks former names of companies and subsidiaries, ongoing mergers and acquisitions, acquisitions of the past, reassignments, companies that have the same applicant, and transliterations by patent offices.

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