CNOOC has a total of 4075 patents globally, out of which 2583 have been granted. Of these 4075 patents, more than 73% patents are active. China is where China National Offshore Oil Corporation has filed the maximum number of patents, followed by United States of America and Canada, it has generated an annual revenue of $37.24 billion in the year 2021. Parallelly, China seems to be the main focused R&D centre of China National Offshore Oil Corporation.
China National Offshore Oil Corporation was founded in the year 1982. China National Offshore Oil Corporation engages in the exploration, development, and production of oil and gas in China and internationally. As of May 2022, China National Offshore Oil Corporation has a market cap of $63.84 Billion.
Do read about some of the most popular patents of China National Offshore Oil Corporation which have been covered by us in this article and also you can find China National Offshore Oil Corporation patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over China National Offshore Oil Corporation patent portfolio.
How many patents does China National Offshore Oil Corporation have?
China National Offshore Oil Corporation has a total of 4075 patents globally. These patents belong to 4004 unique patent families. Out of 4075 patents, 2983 patents are active.
How Many Patents did China National Offshore Oil Corporation File Every Year?
Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.
| Year of Patents Filing or Grant | China National Offshore Oil Corporation Applications Filed | China National Offshore Oil Corporation Patents Granted |
| 2011 | 191 | 148 |
| 2012 | 218 | 120 |
| 2013 | 406 | 268 |
| 2014 | 471 | 322 |
| 2015 | 460 | 364 |
| 2016 | 213 | 244 |
| 2017 | 274 | 260 |
| 2018 | 355 | 189 |
| 2019 | 330 | 196 |
| 2020 | 430 | 82 |
| 2021 | 329 | 188 |
| 2022 | 16 | 97 |
How many China National Offshore Oil Corporation patents are Alive/Dead?
How Many Patents did China National Offshore Oil Corporation File in Different Countries?
Where are Research Centres of China National Offshore Oil Corporation Patents Located?
10 Best China National Offshore Oil Corporation Patents
CN103146364B is the most popular patent in the China National Offshore Oil Corporation portfolio. It has received 59 citations so far from companies like CNPC, China Petrochemical Corporation, and Qingdao Pengbo Petroleum Technology Service.
Below is the list of 10 most cited patents of China National Offshore Oil Corporation:
| Publication Number | Citation Count |
| CN103146364B | 59 |
| US20140096950A1 | 46 |
| CN103394368B | 41 |
| CN103551186B | 40 |
| CN102678090A | 39 |
| CN103308397A | 37 |
| CN103645285A | 35 |
| US7527096B2 | 33 |
| CN202064908U | 33 |
| CN102443022A | 31 |
EXCLUSIVE INSIGHTS COMING SOON!
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