Changan Automobile has a total of 26435 patents globally, out of which 16144 have been granted. Of these 26435 patents, more than 66% patents are active. China is where Changan Automobile has filed the maximum number of patents, followed by Europe (EPO) and Mexico. Parallelly, China seems to be the main focused R&D centre and also is the origin country of Changan Automobile.
Changan Automobile founded in 1862, Changan Automobile is one of China’s leading vehicle manufacturers with over four decades of automotive expertise. The company operates a global network of manufacturing bases, R&D centers, and technology hubs, delivering vehicles through brands such as Changan and AVATR, along with joint ventures including Changan Ford and Changan Mazda. Focused on innovation, Changan is advancing smart vehicles, new energy technologies, and sustainable mobility solutions.
Do read about some of the most popular patents of Changan Automobile which have been covered by us in this article and also you can find Changan Automobile patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Changan Automobile patent portfolio.
How many patents does Changan Automobile have?
Changan Automobile has a total of 26435 patents globally. These patents belong to 26024 unique patent families. Out of 26435 patents, 17808 patents are active.
How Many Patents did Changan Automobile 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 | Changan Automobile Applications Filed | Changan Automobile Patents Granted |
| 2026 | 23 | 486 |
| 2025 | 2370 | 2145 |
| 2024 | 2645 | 1927 |
| 2023 | 5096 | 1793 |
| 2022 | 4202 | 1326 |
| 2021 | 1502 | 719 |
| 2020 | 1011 | 635 |
| 2019 | 660 | 599 |
| 2018 | 959 | 569 |
| 2017 | 775 | 531 |
How many Changan Automobile patents are Alive/Dead?
Worldwide Patents
How Many Patents did Changan Automobile File in Different Countries?
Countries in which Changan Automobile Filed Patents
| Country | Patents |
| China | 25925 |
| Europe (EPO) | 110 |
| Mexico | 66 |
| Australia | 66 |
| Russia | 49 |
| United States of America | 13 |
| India | 11 |
| United Kingdom | 6 |
| Thailand | 6 |
| Brazil | 6 |
| South Africa | 2 |
| Malaysia | 2 |
| Korea (South) | 1 |
Where are Research Centres of Changan Automobile Patents Located?
10 Best Changan Automobile Patents
CN103457318A is the most popular patent in the Changan Automobile portfolio. It has received 118 citations so far from company like BYD, Dongfeng Motor Group and Great Wall Motor.
Below is the list of 10 most cited patents of Changan Automobile:
| Publication Number | Citation Count |
| CN103457318A | 118 |
| CN105978921A | 100 |
| CN108482366A | 99 |
| CN110315978A | 87 |
| CN103064032A | 80 |
| CN101931253A | 77 |
| CN111007417A | 70 |
| CN101011931A | 66 |
| CN105711590A | 61 |
| WO2011134303A1 | 60 |
What Percentage of Changan Automobile US Patent Applications were Granted?
Changan Automobile (Excluding its subsidiaries) has filed 8 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 3 have been granted leading to a grant rate of 100.0%.
Below are the key stats of Changan Automobile patent prosecution at the USPTO.
Which Law Firms are managing US Patents for Changan Automobile?
| Law Firm | Total Applications | Success Rate |
| Jmb Davis Ben David | 3 | 0% |
| Norton Rose Fulbright Us Llp | 2 | 100.00% |
| Changan US R&D Center (Inhouse IP Dept.) | 1 | 100.00% |
| Crowe & Dunlevy | 1 | 0% |
| Jciprnet | 1 | 0% |
What are Changan Automobile key innovation segments?
What Technologies are Covered by Changan Automobile?
The chart below distributes patents filed by Changan Automobile in different countries on the basis of the technology protected in patents. It also represents the markets where Changan Automobile thinks it’s important to protect particular technological inventions.
R&D Focus: How has Changan Automobile search focus changed over the years?
EXCLUSIVE INSIGHTS COMING SOON!
Interested in knowing about the areas of innovation that are being protected by Changan Automobile?
