Proterra has a total of 218 patents globally, out of which 99 have been granted. Of these 218 patents, more than 71% patents are active. The United States of America is where Proterra has filed the maximum number of patents, followed by Europe and Canada. Parallelly, United States of America seems to be the main focused R&D centre and also is the origin country of Proterra.
Proterra was founded in 2004 by Dale Hill. Proterra Inc operates as an automotive and energy storage company. The Company designs and manufactures electric transit buses and electric charging systems. Proterra serves customers worldwide. As of October 2022, Proterra has a market cap of $1.12 Billion.
Do read about some of the most popular patents of Proterra which have been covered by us in this article and also you can find Proterra patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Proterra patent portfolio.
How many patents does the Founder and CEO of Proterra have?
The Founder Dale Hill has 49 patents and CEO Gareth Joyce has 0 patents.
How many patents does Proterra have?
Proterra has a total of 218 patents globally. These patents belong to 79 unique patent families. Out of 218 patents, 155 patents are active.
How Many Patents did Proterra 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 | Proterra Applications Filed | Proterra Patents Granted |
| 2011 | 24 | 1 |
| 2012 | 13 | 1 |
| 2013 | 17 | 2 |
| 2014 | 11 | 6 |
| 2015 | 22 | 3 |
| 2016 | 14 | 20 |
| 2017 | 13 | 9 |
| 2018 | 22 | 10 |
| 2019 | 13 | 10 |
| 2020 | 18 | 15 |
| 2021 | 8 | 10 |
| 2022 | 4 | 11 |
How many Proterra patents are Alive/Dead?
Worldwide Patents
How Many Patents did Proterra File in Different Countries?
Countries in which Proterra Filed Patents
| Country | Patents |
| United States Of America | 98 |
| Europe | 29 |
| Canada | 26 |
| Australia | 7 |
| Mexico | 6 |
| China | 6 |
| Colombia | 6 |
| Hong Kong (S.A.R.) | 6 |
| Taiwan | 5 |
| India | 4 |
| Peru | 3 |
| Chile | 3 |
| Korea (South) | 3 |
| Brazil | 3 |
| Israel | 2 |
Where are Research Centers of Proterra Patents Located?
10 Best Proterra Patents
US11285795B2 is the most popular patent in the Proterra portfolio. It has received 107 citations so far from companies like Tesla Motors, Highwater Innovations, and Robert Bosch Gmb.
Below is the list of 10 most cited patents of Proterra:
| Publication Number | Citation Count |
| US11285795B2 | 107 |
| US9680139B2 | 93 |
| US9252417B2 | 88 |
| US8453773B2 | 72 |
| US11453299B2 | 70 |
| US11345245B2 | 66 |
| US9908435B2 | 65 |
| US9446672B2 | 62 |
| US10875411B2 | 59 |
| US10518656B2 | 59 |
What Percentage of Proterra US Patent Applications were Granted?
Proterra (Excluding its subsidiaries) has filed 91 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 58 have been granted leading to a grant rate of 82.86%.
Below are the key stats of Proterra patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Proterra?
| Law Firm | Total Applications | Success Rate |
| Bookoff Mcandrews | 78 | 89.23% |
| Klein O Neill & Singh | 13 | 0% |