Wolfspeed has a total of 1500 patents globally, out of which 686 have been granted. Of these 1500 patents, more than 79.27% patents are active. The United States of America is where Wolfspeed has filed the maximum number of patents, followed by Japan and Europe. Parallelly, United States of America seems to be the main focused R&D centre and also the origin country of Wolfspeed.
Founded in 1987 as Cree Inc., the company officially changed its name to Wolfspeed, Inc. Wolfspeed is a global semiconductor company specializing in silicon carbide technologies and power semiconductor solutions. In October 2021 as part of its strategic shift toward silicon carbide materials and devices. Headquartered in Durham, North Carolina, Wolfspeed develops silicon carbide materials, power modules, discrete power devices, and power die products used in automotive, industrial, energy, and radio-frequency applications.
Wolfspeed filed a patent infringement suit against Navitas Semiconductor in Delaware federal court on July 7, 2026, targeting five of its patents. Rather than a narrow claim, the suit sweeps across Navitas’s core product lines – its GaNFast, GaNSlim, and GaNSafe transistor families, along with its GeneSiC MOSFETs and SiCPAK power modules. In effect, Wolfspeed is challenging the intellectual property behind nearly all of Navitas’s flagship wide-bandgap semiconductor offerings.
Do read about some of the most popular patents of Wolfspeed which have been covered by us in this article and also you can find Wolfspeed patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Wolfspeed patent portfolio.
How many patents does Wolfspeed have?
Wolfspeed has a total of 1500 patents globally. These patents belong to 630 unique patent families. Out of 1500 patents, 1189 patents are active.
How Many Patents did Wolfspeed 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 | Wolfspeed Applications Filed | Wolfspeed Patents Granted |
| 2026 | 9 | 73 |
| 2025 | 120 | 136 |
| 2024 | 242 | 134 |
| 2023 | 245 | 108 |
| 2022 | 208 | 72 |
| 2021 | 237 | 3 |
| 2020 | 140 | 3 |
| 2019 | 52 | 2 |
| 2018 | 30 | 3 |
| 2017 | 15 | 6 |
| 2016 | 10 | 6 |
How many Wolfspeed patents are Alive/Dead?
Worldwide Patents
How Many Patents did Wolfspeed File in Different Countries?
Countries in which Wolfspeed Filed Patents
| Country | Patents |
| United States Of America | 607 |
| Japan | 209 |
| Europe | 186 |
| South Korea | 122 |
| China | 71 |
| Taiwan | 40 |
| India | 33 |
| Germany | 14 |
| Malaysia | 4 |
| Philippines | 3 |
| Australia | 1 |
Where are Research Centers of Wolfspeed Patents Located?
10 Best Wolfspeed Patents
US7501669B2 is the most popular patent in the Wolfspeed portfolio. It has received 193 citations so far from companies like Fujitsu Limited, Transphorm, Triquint Semiconductor
Below is the list of 10 most cited patents of Wolfspeed:
| Publication Number | Citation Count |
| US7501669B2 | 193 |
| US7238560B2 | 183 |
| US7573078B2 | 154 |
| US7226805B2 | 144 |
| US7550783B2 | 134 |
| US7170111B2 | 118 |
| US7432142B2 | 114 |
| US7170095B2 | 112 |
| US7906799B2 | 110 |
| US7615774B2 | 107 |
What Percentage of Wolfspeed US Patent Applications were Granted?
Wolfspeed (Excluding its subsidiaries) has filed 1035 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 854 have been granted leading to a grant rate of 99.88%.
Below are the key stats of Wolfspeed patent prosecution at the USPTO.
Which Law Firms are managing US Patents for Wolfspeed?
| Law Firm | Total Applications | Success Rate |
| Myers Bigel | 574 | 100.00% |
| Bakerhostetler | 110 | 100.00% |
| Withrow & Terranova PLLC | 94 | 100.00% |
| Sage Patent Group Wolfspeed | 51 | 100.00% |
| Coats & Bennett Pllc | 44 | 100.00% |
| Dority & Manning PA | 41 | 100.00% |
| Hultquist Ip | 29 | 100.00% |
| Additon Pendleton & Witherspoon PA | 24 | 100.00% |
| Volentine Whitt & Francos Pllc | 8 | 100.00% |
| Dilworth & Barrese Llp | 7 | 100.00% |
What are Wolfspeed key innovation segments?
What Technologies are Covered by Wolfspeed?
The chart below distributes patents filed by Wolfspeed