Cirrus Logic has a total of 5881 patents globally, out of which 3678 have been granted. Of these 5881 patents, more than 66% patents are active. United States of America is where Cirrus Logic has filed the maximum number of patents, followed by United Kingdom and China. Parallelly, United States of America seems to be the main focused R&D centre and also is the origin country of Cirrus Logic.
Cirrus Logic was founded in the year 1981. The Company is a fabless semiconductor company. The Company develops audio and voice IC and software solutions for mobile communications, automotive entertainment and consumer audio applications.
Do read about some of the most popular patents of Cirrus Logic which have been covered by us in this article and also you can find Cirrus Logic patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Cirrus Logic patent portfolio.
How many patents does Cirrus Logic have?
Cirrus Logic has a total of 5881 patents globally. These patents belong to 1751 unique patent families. Out of 5881 patents, 3888 patents are active.
How Many Patents did Cirrus Logic 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 | Cirrus Logic Applications Filed | Cirrus Logic Patents Granted |
| 2023 | 70 | 304 |
| 2022 | 257 | 433 |
| 2021 | 419 | 389 |
| 2020 | 448 | 389 |
| 2019 | 390 | 352 |
| 2018 | 549 | 262 |
| 2017 | 490 | 195 |
| 2016 | 467 | 164 |
| 2015 | 376 | 99 |
| 2014 | 316 | 98 |
| 2013 | 291 | 81 |
| 2012 | 172 | 90 |
How many Cirrus Logic patents are Alive/Dead?
How Many Patents did Cirrus Logic File in Different Countries?
Countries in which Cirrus Logic Filed Patents
| Country | Patents |
| United States of America | 2178 |
| United Kingdom | 1101 |
| China | 500 |
| Europe (EPO) | 299 |
| Korea (South) | 255 |
| Japan | 188 |
| Germany | 176 |
| Austria | 133 |
| Taiwan | 122 |
| Australia | 53 |
| India | 35 |
| Hong Kong (S.A.R.) | 12 |
| Denmark | 10 |
| Singapore | 6 |
| Canada | 4 |
| Israel | 3 |
| Malaysia | 2 |
| Philippines | 2 |
| Viet Nam | 1 |
| Italy | 1 |
| Sweden | 1 |
Where are Research Centres of Cirrus Logic Patents Located?
10 Best Cirrus Logic Patents
US20040223622A1 is the most popular patent in the Cirrus Logic portfolio. It has received 338 citations so far from companies like Pioneer Corporation, Sony Corporation and Samsung.
Below is the list of 10 most cited patents of Cirrus Logic:
| Publication Number | Citation Count |
| US20040223622A1 | 338 |
| US6865609B1 | 337 |
| US6934752B1 | 322 |
| US6574668B1 | 261 |
| US6625740B1 | 244 |
| US6937988B1 | 211 |
| US6816750B1 | 185 |
| US6891822B1 | 176 |
| US7781249B2 | 167 |
| US20060126865A1 | 166 |
How many inventions of other companies were rejected due to Cirrus Logic patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Cirrus Logic invention. They couldn’t because Cirrus Logic had protected those before them.
Examiners at the USPTO referred 706 Cirrus Logic patents in 2989 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Cirrus Logic patent portfolio are Samsung, Qualcomm and Texas Instruments.
List of the Companies whose Patents were rejected citing Cirrus Logic –
| Company | Number of Patent Applications that faced Rejection Citing Cirrus Logic Patents | Number of Rejections (102 & 103) |
| Samsung | 75 | 136 |
| Qualcomm | 60 | 108 |
| Texas Instruments | 51 | 90 |
| Infineon Technologies | 47 | 83 |
| Apple | 44 | 85 |
| Analog Devices | 29 | 52 |
| Intel Corporation | 28 | 69 |
| Mediatek | 26 | 64 |
| Bose Corporation | 25 | 44 |
| Sony | 24 | 53 |
Count of 102 and 103 Type Rejections based on Cirrus Logic Patents
Top Cirrus Logic Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US9042867B2 | 25 |
| US8513933B2 | 17 |
| US7492889B2 | 16 |
| US8612779B2 | 16 |
| US8607036B2 | 15 |
| US7781249B2 | 15 |
| US7723965B2 | 13 |
| US8519691B2 | 13 |
| US20040223622A1 | 13 |
| US8908876B2 | 12 |
| US7649988B2 | 12 |
| US7903825B1 | 11 |
| US7606377B2 | 10 |
| US8682250B2 | 10 |
| US7375666B2 | 10 |
What Percentage of Cirrus Logic US Patent Applications were Granted?
Cirrus Logic (Excluding its subsidiaries) has filed 2067 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 1958 have been granted leading to a grant rate of 95.47%.
Below are the key stats of Cirrus Logic patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Cirrus Logic?
| Law Firm | Total Applications | Success Rate |
| Cirrus Logic Inc | 700 | 94.05% |
| James J Murphy | 98 | 88.78% |
| Zilka Kotab Pc Nvid | 93 | 100.00% |
| Blank Rome Llp | 70 | 100.00% |
| Mitch Harris Llc | 70 | 100.00% |
| Amin Turocy & Watson Llp | 60 | 95.00% |
| George O Saile | 50 | 100.00% |
| Terrile Cannatti Chambers & Holland Llp | 41 | 97.56% |
| Robert D Lott | 37 | 100.00% |
| Signify Holding Bv | 30 | 93.33% |
What are Cirrus Logic key innovation segments?
What Technologies are Covered by Cirrus Logic?
The chart below distributes patents filed by Cirrus Logic in different countries on the basis of the technology protected in patents. It also represents the markets where Cirrus Logic thinks it’s important to protect particular technology inventions.
R&D Focus: How has Cirrus Logic search focus changed over the years?
EXCLUSIVE INSIGHTS COMING SOON!