Legrand has a total of 10692 patents globally, out of which 8047 have been granted. Of these 10692 patents, more than 42% patents are active. The United States of America is where Legrand has filed the maximum number of patents, followed by Europe and France. Parallelly, France seems to be the main focused R&D center and also France is the origin country of Legrand.
Legrand was founded in the year 1860. The Company designs and manufactures electrical devices. The Company offers switches, sockets, fuses, cables, security systems, circuit breakers, solar energy panels, energy management components, and accessories. Legrand serves office, hotels, shopping centers, residential, and data centers. Legrand serves customers worldwide.
Do read about some of the most popular patents of Legrand which have been covered by us in this article and also you can find Legrand patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Legrand patent portfolio.
How many patents does the Founder and CEO of Legrand have?
The Founder Frédéric Legrand has 0 patents and the CEO Benoît Coquart have 0 patents.
How many patents does Legrand have?
Legrand has a total of 10692 patents globally. These patents belong to 4387 unique patent families. Out of 10692 patents, 4584 patents are active.
How Many Patents did Legrand 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 | Legrand Applications Filed | Legrand Patents Granted |
2023 | 13 | 57 |
2022 | 76 | 256 |
2021 | 145 | 271 |
2020 | 294 | 294 |
2019 | 308 | 345 |
2018 | 357 | 426 |
2017 | 387 | 395 |
2016 | 414 | 356 |
2015 | 411 | 389 |
2014 | 428 | 363 |
2013 | 420 | 379 |
2012 | 407 | 450 |
2011 | 466 | 467 |
How many Legrand patents are Alive/Dead?
Worldwide Patents

How Many Patents did Legrand File in Different Countries?

Countries in which Legrand Filed Patents
Country | Patents |
United States Of America | 1545 |
Europe | 1283 |
France | 852 |
China | 838 |
Germany | 831 |
Spain | 461 |
Australia | 383 |
Italy | 339 |
Brazil | 323 |
Canada | 306 |
United Kingdom | 276 |
Mexico | 271 |
Poland | 225 |
India | 220 |
Austria | 209 |
Colombia | 162 |
Portugal | 137 |
Costa Rica | 137 |
Japan | 135 |
Chile | 131 |
Korea (South) | 100 |
Hong Kong (S.A.R.) | 100 |
Russia | 85 |
Hungary | 61 |
Taiwan | 58 |
Israel | 54 |
Malaysia | 54 |
Ecuador | 53 |
Turkey | 48 |
Argentina | 42 |
Philippines | 39 |
Viet Nam | 38 |
Singapore | 37 |
United Arab Emirates | 37 |
New Zealand | 28 |
South Africa | 27 |
Denmark | 24 |
Saudi Arabia | 21 |
Indonesia | 21 |
Peru | 21 |
Uruguay | 20 |
Gulf Cooperation Council | 18 |
Egypt | 18 |
Morocco | 18 |
Dominican Republic | 18 |
Eurasia | 14 |
Norway | 13 |
Switzerland | 9 |
Honduras | 9 |
Netherlands | 8 |
Slovenia | 7 |
Montenegro | 6 |
Ireland | 4 |
Croatia | 3 |
Bosnia and Herzegovina | 3 |
Algeria | 3 |
Belgium | 2 |
Kazakhstan | 2 |
Bulgaria | 2 |
Czech Republic | 2 |
Finland | 2 |
Tunisia | 2 |
Slovakia | 2 |
Romania | 2 |
Paraguay | 1 |
Iceland | 1 |
Sweden | 1 |
Malta | 1 |
El Salvador | 1 |
Serbia | 1 |
Greece | 1 |
Nicaragua | 1 |
Where are Research Centers of Legrand Patents Located?

10 Best Legrand Patents
US6524793B1 is the most popular patent in the Legrand portfolio. It has received 611 citations so far from companies like Illumina, Inc, Fio Corporation and Gpb Scientific, Inc.
Below is the list of 10 most cited patents of Legrand:
Publication Number | Citation Count |
US6524793B1 | 611 |
US6449562B1 | 531 |
US6592822B1 | 528 |
US6905101B1 | 411 |
US6514295B1 | 388 |
US6653124B1 | 336 |
US6528165B2 | 326 |
US6402109B1 | 305 |
US6939720B2 | 275 |
US7702771B2 | 262 |
How many inventions of other companies were rejected due to Legrand patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Legrand invention. They couldn’t because Legrand had protected those before them.
Examiners at the USPTO referred 484 Legrand patents in 2615 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Legrand patent portfolio are Samsung, Eaton Intelligent Power Limited and Hon Hai Precision Industry Co Ltd.
List of the Companies whose Patents were rejected citing Legrand –
Company | Number of Patent Applications that faced Rejection Citing Legrand Patents | Number of Rejections (102 & 103) |
Samsung Electronics | 22 | 45 |
Eaton Intelligent Power Limited | 20 | 32 |
Hon Hai Precision Industry Co Ltd | 19 | 30 |
Hubbell Incorporated | 19 | 49 |
Chase Bank | 18 | 38 |
IBM | 17 | 35 |
Sony Corporation | 14 | 33 |
Luminex Corporation | 13 | 22 |
Panduit | 13 | 51 |
Apc By Schneider Electric | 13 | 34 |
Count of 102 and 103 Type Rejections based on Legrand Patents

Top Legrand Patents used in Rejecting Most Patent Applications
Patent Number | Count of Rejected Applications |
US8494661B2 | 22 |
US6653124B1 | 16 |
US7970859B2 | 15 |
US7955802B2 | 14 |
US7267798B2 | 14 |
US8321163B2 | 12 |
US7422850B2 | 12 |
US7043543B2 | 11 |
US7606314B2 | 11 |
US6592822B1 | 11 |
US9700641B2 | 10 |
US20110166710A1 | 10 |
US8305737B2 | 10 |
US6916661B2 | 10 |
US20050280576A1 | 9 |
What Percentage of Legrand US Patent Applications were Granted?
Legrand (Excluding its subsidiaries) has filed 295 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 220 have been granted leading to a grant rate of 84.9%.
Below are the key stats of Legrand patent prosecution at the USPTO.

Which Law Firms Filed Most US Patents for Legrand?
Law Firm | Total Applications | Success Rate |
Nixon & Vanderhye Pc | 82 | 96.25% |
Intellectual Property Dept | 73 | 90.74% |
Faegre Drinker Biddle & Reath Llp | 25 | 92.00% |
Patterson Thuente | 42 | 64.59% |
Charles E Brown | 15 | 93.33% |
Forsgren Fisher Mccalmont Demarea Tysver Llp | 10 | 22.22% |
Young & Thompson | 6 | 100.00% |
Seyfarth Shaw Llp | 4 | 100.00% |
Bryan Cave Leighton Paisner Llp | 3 | 100.00% |
Kenealy Vaidya Llp | 3 | 100.00% |