Larsen & Toubro has a total of 2092 patents globally, out of which 615 have been granted. Of these 2092 patents, more than 62% patents are active. India is where Larsen & Toubro has filed the maximum number of patents, followed by Korea (South) and USA. Parallelly, India seems to be the main focused R&D center and is also the origin country of Larsen & Toubro.
Larsen & Toubro was founded in 1938 by Henning Holck-Larsen and Søren Kristian Toubro. Larsen & Toubro Ltd manufactures engineering equipment, undertakes large scale engineering projects, and acts as the Indian representative for a number of overseas manufacturers of heavy machinery. The Company’s products include bulldozers, road rollers, dairy machinery, chemical and pharmaceutical plants, switchgears, food processing machinery and feed milling plants. As of April 2022, Larsen & Toubro has a market cap of $34.01 Billion.
Do read about some of the most popular patents of Larsen & Toubro which have been covered by us in this article and also you can find Larsen & Toubro patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Larsen & Toubro patent portfolio.
How many patents does the Founder and CEO of Larsen & Toubro have?
The founders Henning Holck-Larsen and Søren Kristian Toubro have 0 patents and the CEO, S N Subrahmanyan has 0 patents.
How many patents does Larsen & Toubro have?
Larsen & Toubro has a total of 2092 patents globally. These patents belong to 1955 unique patent families. Out of 2092 patents, 1300 patents are active.
How Many Patents did Larsen & Toubro 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 | Larsen & Toubro Applications Filed | Larsen & Toubro Patents Granted |
| 2011 | 182 | 60 |
| 2012 | 165 | 28 |
| 2013 | 131 | 16 |
| 2014 | 150 | 9 |
| 2015 | 144 | 18 |
| 2016 | 147 | 47 |
| 2017 | 136 | 74 |
| 2018 | 118 | 44 |
| 2019 | 110 | 71 |
| 2020 | 80 | 119 |
| 2021 | 17 | 39 |
| 2022 | 1 | 10 |
How many Larsen & Toubro patents are Alive/Dead?
Worldwide Patents
Patent Families
How Many Patents did Larsen & Toubro File in Different Countries?
Countries in which Larsen & Toubro Filed Patents
| Country | Patents |
| India | 1848 |
| Korea (South) | 72 |
| United States Of America | 47 |
| Europe | 18 |
| Malaysia | 11 |
| Germany | 4 |
| Japan | 4 |
| Italy | 4 |
| Canada | 3 |
| Brazil | 3 |
| Spain | 2 |
| Portugal | 2 |
| Australia | 2 |
| Indonesia | 2 |
| Poland | 2 |
| Gulf Cooperation Council | 1 |
| Denmark | 1 |
| Austria | 1 |
| Singapore | 1 |
| Mexico | 1 |
Where are the Research Centers of Larsen & Toubro Patents Located?
10 Best Larsen & Toubro Patents
US20120054486A1 is the most popular patent in the Larsen & Toubro portfolio. It has received 131 citations so far from companies like VMware Inc, Open Invention Network Llc and IBM.
Below is the list of 10 most cited patents of Larsen & Toubro:
| Publication Number | Citation Count |
| US20120054486A1 | 131 |
| US20130153662A1 | 36 |
| US8811675B2 | 22 |
| US20070250466A1 | 21 |
| US20110262018A1 | 19 |
| WO2012042326A1 | 19 |
| US20130290693A1 | 14 |
| US20070213625A1 | 13 |
| US8385824B2 | 12 |
| US8385689B2 | 12 |
What Percentage of Larsen & Toubro US Patent Applications were Granted?
Larsen & Toubro (Excluding its subsidiaries) has filed 17 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 11 have been granted leading to a grant rate of 68.75%.
Below are the key stats of Larsen & Toubro’s patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Larsen & Toubro?
| Law Firm | Total Application | Success Rate |
| Brooks Kushman | 3 | 100.00% |
| Covidien Lp | 3 | 100.00% |
| Central Coast Patent Agency Llc | 2 | 50.00% |
| Merchant & Gould Pc | 2 | 50.00% |
| The Webb Law Firm Pc | 2 | 50.00% |
| Akerman Llp | 1 | 0.00% |
| Central California Ip Group Pc | 1 | 0.00% |
| Notaro Michalos & Zaccaria Pc | 1 | 100.00% |
| The Dobrusin Law Firm Pc | 1 | 100.00% |
| Westman Champlin & Koehler Pa | 1 | 100.00% |
EXCLUSIVE INSIGHTS COMING SOON!
What are Larsen & Toubro’s key innovation segments?