Contemporary Amperex Technology Co Ltd patents

Contemporary Amperex Technology Co Ltd holds 4,681 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents4,681
Recent patents2,773
First publicationMay 17, 2016
Latest publicationApr 2, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20162
201732
201881
2019180
2020310
2021455
2022556
2023947
20241,366
2025460
2026292
Browse patents by year
YearPatents
20162
201732
201881
2019180
2020310
2021455
2022556
2023947
20241,366
2025460
2026292

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
Y02E60/103,902
H01M2220/201,936
H01M10/05251,469
H01M50/209918
Y02P70/50809

Technology areas

Mapped technology topics for this assignee.

Frequently asked questions

Answers are generated from the same data shown on this page.

How many patents does Contemporary Amperex Technology Co Ltd have in patentsdb?
Contemporary Amperex Technology Co Ltd is linked to 4,681 publications as assignee in our database.
What technology areas does Contemporary Amperex Technology Co Ltd patent most?
Top mapped technology areas by patent count: Electricity (4,386); Cross-Sectional Technologies (4,148); Operations & Transport (1,056).
Is Contemporary Amperex Technology Co Ltd's patent activity growing?
In our data, assignee counts were 1,366 in 2024 and 460 in 2025 (lower year over year).
What are recent patents assigned to Contemporary Amperex Technology Co Ltd?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.