Berkshire Hathaway has a total of 31753 patents globally, out of which 16238 have been granted. Of these 31753 patents, more than 61% patents are active. United States of America is where Berkshire Hathaway has filed the maximum number of patents, followed by Europe and Japan, it has generated an annual revenue of $245.51 billion in the year 2020. Parallelly, United States of America seems to be the main focused R&D center and is also the origin country of Berkshire Hathaway.
Berkshire Hathaway was founded in the year 1839 by Oliver Chace. Company is doing business in insurance, rail transportation, energy generation and distribution, manufacturing, and retailing. As of December 2021, Berkshire Hathaway has a market cap of $646.25 Billion.
Do read about some of the most popular patents of Berkshire Hathaway which have been covered by us in this article and also you can find Berkshire Hathaway’s patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Berkshire Hathaway’s patent portfolio.
How many patents does Berkshire Hathaway have?
Berkshire Hathaway has a total of 31753 patents globally. These patents belong to 9183 unique patent families. Out of 31753 patents, 19506 patents are active.
How many Berkshire Hathaway patents are Alive/Dead?
Worldwide Patents
Patent Families
How Many Patents did Berkshire Hathaway 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 | Berkshire Hathaway Applications Filed | Berkshire Hathaway Patents Granted |
| 2011 | 1876 | 838 |
| 2012 | 1748 | 950 |
| 2013 | 1710 | 1019 |
| 2014 | 1792 | 1038 |
| 2015 | 1895 | 985 |
| 2016 | 1615 | 1120 |
| 2017 | 1393 | 1274 |
| 2018 | 1474 | 1236 |
| 2019 | 1043 | 1111 |
| 2020 | 688 | 1171 |
| 2021 | 212 | 971 |
How Many Patents did Berkshire Hathaway File in Different Countries?
Countries in which Berkshire Hathaway Filed Patents
| Country | Patents |
| United States Of America | 7893 |
| Europe | 3096 |
| Japan | 2434 |
| China | 2119 |
| Canada | 2103 |
| Korea (South) | 1168 |
| Brazil | 1131 |
| Australia | 1101 |
| India | 933 |
| Germany | 650 |
| Spain | 617 |
| Mexico | 544 |
| Russia | 513 |
| Taiwan | 486 |
| United Kingdom | 461 |
| Israel | 377 |
| Turkey | 361 |
| Poland | 350 |
| Singapore | 335 |
| Austria | 322 |
| Denmark | 182 |
| Portugal | 181 |
| Argentina | 156 |
| South Africa | 95 |
| Netherlands | 86 |
| Norway | 76 |
| Thailand | 69 |
| Vietnam | 69 |
| New Zealand | 65 |
| Hong Kong (S.A.R.) | 61 |
| Slovenia | 56 |
| Indonesia | 51 |
| Italy | 51 |
| Malaysia | 48 |
| Peru | 42 |
| Hungary | 40 |
| Chile | 35 |
| Costa Rica | 27 |
| Philippines | 27 |
| Eurasia | 24 |
| Colombia | 24 |
| Ukraine | 15 |
| France | 15 |
| Bulgaria | 14 |
| Czech Republic | 9 |
| Gulf Cooperation Council | 9 |
| Ecuador | 6 |
| Saudi Arabia | 6 |
| Croatia | 4 |
| Kazakhstan | 4 |
| Romania | 3 |
| Cyprus | 3 |
| Belgium | 3 |
| Morocco | 2 |
| Finland | 2 |
| Serbia | 2 |
| Jordan | 2 |
| Uruguay | 2 |
| Sweden | 2 |
| Slovakia | 1 |
| Africa | 1 |
| Iceland | 1 |
| Nicaragua | 1 |
| Luxembourg | 1 |
| Guatemala | 1 |
Where are Research Centers of Berkshire Hathaway Patents Located?
10 Best Berkshire Hathaway Patents
US7343920B2 is the most popular patent in the Berkshire Hathaway portfolio. It has received 1132 citations so far from companies like Ethicon Endo-Surgery, Acclarent and Rotation Medical.
Below is the list of 10 most cited patents of Berkshire Hathaway:
| Publication Number | Citation Count |
| US7343920B2 | 1132 |
| US7510566B2 | 877 |
| US6485503B2 | 759 |
| US20020022861A1 | 680 |
| US7578825B2 | 669 |
| US8956342B1 | 602 |
| US7172615B2 | 589 |
| US7090676B2 | 253 |
| US20020100231A1 | 253 |
| US20090218891A1 | 249 |
Which Companies are using Berkshire Hathaway Patents to Advance their Research?
If patents or patents from a particular technology area of a company receive a lot of citations, it implies that the technology is being followed and incrementally innovated by the citing companies. It also indicates that citing companies are working on similar and closely related technologies.
The top citing companies in the Berkshire Hathaway patent portfolio are Lubrizol, Johns Manville and BASF.
List of the top forward citing Companies –
| Company | Number of Patents |
| Lubrizol | 335 |
| Johns Manville | 167 |
| BASF | 70 |
| Kennametal | 65 |
| Samsung | 61 |
| Afton Chemical | 56 |
| ISCAR | 55 |
| Halliburton Energy Services | 42 |
| Nike | 38 |
| Idemitsu Kosan | 34 |
Count of 102 and 103 Type Rejections based on Berkshire Hathaway Patents
Top Berkshire Hathaway Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US20060116296A1 | 34 |
| US6117025A | 33 |
| US20060125623A1 | 21 |
| US20060079413A1 | 20 |
| US20090210078A1 | 19 |
| US20060183647A1 | 19 |
| US20050280393A1 | 18 |
| US20060025316A1 | 16 |
| US20050036941A1 | 16 |
| US20060204839A1 | 15 |
What Percentage of Berkshire Hathaway US Patent Applications were Granted?
Berkshire Hathaway (Excluding its subsidiaries) has filed 8 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 7 have been granted leading to a grant rate of 87.5%.
Below are the key stats of Berkshire Hathaway patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Berkshire Hathaway?
| Law Firm | Total Application | Success Rate |
| Morrison & Foerster Llp | 4 | 75.00% |
| Kean Miller Llp | 1 | 100.00% |
| Madeline I Johnston | 1 | 100.00% |
| Morrison & Foerster | 1 | 100.00% |
Berkshire Hathaway has firmly established itself as one of the largest publicly traded firms in the world. Berkshire Hathaway, in addition to its high-priced stock, is one of the best-performing companies in the market, owning or controlling dozens of important corporations, including Geico, Fruit of the Loom, and Dairy Queen.
From its beginnings in the textile business, Although Berkshire Hathaway began in the textile sector, it has evolved into a conglomerate that invests in a varied range of big corporations, the company has expanded into a wide range of industries and sectors, including technology and food; and is a prime example of Warren Buffett’s famous value investing technique.
EXCLUSIVE INSIGHTS COMING SOON!
What are Berkshire Hathaway key innovation segments?
What Technologies are Covered by Berkshire Hathaway?
The chart below distributes patents filed by Berkshire Hathaway in different countries on the basis of the technology protected in patents. It also represents the markets where Berkshire Hathaway thinks it’s important to protect particular technology inventions.
R&D Focus: How Berkshire Hathaway search focus changed over the years?
EXCLUSIVE INSIGHTS COMING SOON!
Interested in knowing about the areas of innovation that are being protected by Berkshire Hathaway?