Hindustan Petroleum has a total of 388 patents globally, out of which 120 have been granted. Of these 388 patents, more than 73% patents are active. India is where Hindustan Petroleum has filed the maximum number of patents, followed by Europe and the USA. Parallelly, India seems to be the main focused R&D center and also is the origin country of Hindustan Petroleum.
Hindustan Petroleum was founded in 1974. Hindustan Petroleum refines crude oil and manufactures petroleum and petroleum products. The Company’s products, which are sold via outlets throughout India, include lube products, lubricating oil, aviation fuel, hydraulic brake fluid, greases, liquefied petroleum gas and insecticides. The Government of India is the majority shareholder in the company.
Do read about some of the most popular patents of Hindustan Petroleum which have been covered by us in this article and also you can find Hindustan Petroleum patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Hindustan Petroleum patent portfolio.
How many patents does Hindustan Petroleum have?
Hindustan Petroleum has a total of 388 patents globally. These patents belong to 162 unique patent families. Out of 388 patents, 286 patents are active.
How Many Patents did Hindustan Petroleum 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 | Hindustan Petroleum Applications Filed | Hindustan Petroleum Patents Granted |
| 2011 | 2 | 2 |
| 2012 | 4 | 3 |
| 2013 | 27 | – |
| 2014 | 17 | – |
| 2015 | 54 | – |
| 2016 | 93 | 1 |
| 2017 | 53 | 2 |
| 2018 | 36 | 11 |
| 2019 | 23 | 28 |
| 2020 | 36 | 18 |
| 2021 | 33 | 27 |
| 2022 | 3 | 25 |
How many Hindustan Petroleum patents are Alive/Dead?
Worldwide Patents
How Many Patents did Hindustan Petroleum File in Different Countries?
Countries in which Hindustan Petroleum Filed Patents
| Country | Patents |
| India | 142 |
| Europe | 53 |
| United States Of America | 52 |
| Canada | 15 |
| Japan | 15 |
| Germany | 9 |
| Australia | 3 |
| Malaysia | 3 |
| Korea (South) | 3 |
| Spain | 2 |
| Brazil | 1 |
| Norway | 1 |
| Saudi Arabia | 1 |
| Denmark | 1 |
| Singapore | 1 |
| South Africa | 1 |
Where are Research Centers of Hindustan Petroleum Patents Located?
10 Best Hindustan Petroleum Patents
WO2016038480A1 is the most popular patent in the Hindustan Petroleum portfolio. It has received 20 citations so far from companies like Julius Montz Gmbh, Fjell Biodry As and Xingyu Weiye (Tianjin) Technology Co Ltd.
Below is the list of 10 most cited patents of Hindustan Petroleum:
| Publication Number | Citation Count |
| WO2016038480A1 | 20 |
| WO2015068054A1 | 15 |
| WO2017068599A1 | 14 |
| WO2015101826A1 | 13 |
| WO2017021977A1 | 11 |
| WO2014188439A1 | 10 |
| US20180291305A1 | 8 |
| US9908109B2 | 5 |
| US10343144B2 | 4 |
| WO2018002947A1 | 4 |
What Percentage of Hindustan Petroleum US Patent Applications were Granted?
Hindustan Petroleum (Excluding its subsidiaries) has filed 42 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 31 have been granted leading to a grant rate of 96.8%.
Below are the key stats of Hindustan Petroleum patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Hindustan Petroleum?
| Law Firm | Total Applications | Success Rate |
| Sand Sebolt & Wernow Co Lpa | 13 | 100.00% |
| Marshall Gerstein & Borun Llp | 8 | 100.00% |
| Dickinson Wright Pllc | 5 | 100.00% |
| Maschoff Brennan | 3 | 100.00% |
| Nixon & Vanderhye Pc | 3 | 100.00% |
| Lee & Hayes Pc | 2 | 50.00% |
| Seed Intellectual Property Law Group Llp | 2 | 100.00% |
| Thomas Horstemeyer Llp | 2 | 100.00% |
| Blank Rome Llp | 1 | 0% |
| Cooper Legal Group Llc | 1 | 0% |