Lubrizol has a total of 11296 patents globally, out of which 4496 have been granted. Of these 11296 patents, more than 43% patents are active. The United States of America is where Lubrizol has filed the maximum number of patents, followed by Europe and Japan. Parallelly, United States of America seems to be the main focused R&D center and also is the origin country of Lubrizol.
Lubrizol was founded in 1928 and it’s subpart of Berkshire Hathaway. The Lubrizol Corporation manufactures chemicals products. The Company offers coatings, engineered polymers, piping systems, engine oil additives, industrial lubricants, and specialty chemical products. Lubrizol serves customers worldwide.
Do read about some of the most popular patents of Lubrizol which have been covered by us in this article and also you can find Lubrizol patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Lubrizol patent portfolio.
How many patents does the CEO of Lubrizol have?
The CEO Mary Rhinehart has 0 patents.
How many patents does Lubrizol have?
Lubrizol has a total of 11296 patents globally. These patents belong to 2297 unique patent families. Out of 11296 patents, 4943 patents are active.
How Many Patents did Lubrizol 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 | Lubrizol Applications Filed | Lubrizol Patents Granted |
| 2011 | 769 | 215 |
| 2012 | 615 | 236 |
| 2013 | 517 | 287 |
| 2014 | 660 | 363 |
| 2015 | 894 | 369 |
| 2016 | 542 | 133 |
| 2017 | 413 | 177 |
| 2018 | 355 | 187 |
| 2019 | 221 | 241 |
| 2020 | 196 | 267 |
| 2021 | 77 | 290 |
| 2022 | 20 | 146 |
How many Lubrizol patents are Alive/Dead?
Worldwide Patents
How Many Patents did Lubrizol File in Different Countries?
Countries in which Lubrizol Filed Patents
| Country | Patents |
| United States Of America | 1527 |
| Europe | 1347 |
| Japan | 899 |
| China | 887 |
| Germany | 799 |
| Canada | 714 |
| India | 565 |
| Korea (South) | 534 |
| Australia | 485 |
| Brazil | 416 |
| Spain | 335 |
| Singapore | 323 |
| Taiwan | 266 |
| Mexico | 225 |
| Austria | 175 |
| Malaysia | 70 |
| Argentina | 65 |
| Viet Nam | 63 |
| Denmark | 45 |
| Poland | 37 |
| Russia | 33 |
| Hong Kong (S.A.R.) | 31 |
| Costa Rica | 29 |
| Indonesia | 29 |
| Israel | 23 |
| Chile | 21 |
| Portugal | 20 |
| South Africa | 19 |
| Saudi Arabia | 18 |
| Philippines | 18 |
| Hungary | 13 |
| Norway | 12 |
| Peru | 10 |
| United Kingdom | 8 |
| Czech Republic | 6 |
| France | 6 |
| Colombia | 6 |
| Turkey | 5 |
| Slovenia | 4 |
| Cyprus | 4 |
| New Zealand | 3 |
| Croatia | 2 |
| Eurasia | 2 |
| Slovakia | 1 |
| Sweden | 1 |
| Lithuania | 1 |
| Serbia | 1 |
| Finland | 1 |
| Italy | 1 |
| Kazakhstan | 1 |
Where are Research Centers of Lubrizol Patents Located?
10 Best Lubrizol Patents
US6559105B2 is the most popular patent in the Lubrizol portfolio. It has received 605 citations so far from companies like Si Group Inc, Afton Chemical Corporation and Chevron Oronite Company Llc.
Below is the list of 10 most cited patents of Lubrizol:
| Publication Number | Citation Count |
| US6559105B2 | 605 |
| WO2008147704A1 | 469 |
| US20100197536A1 | 340 |
| US6372696B1 | 339 |
| US7407919B2 | 333 |
| WO2006135881A2 | 328 |
| WO2006015130A1 | 320 |
| WO2006044411A1 | 302 |
| US6635702B1 | 287 |
| US7727943B2 | 243 |
Which Companies are using Lubrizol 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 Lubrizol patent portfolio are Basf, Afton Chemical and Idemitsu Kosan.
List of the top forward citing Companies –
| Company | Number of Patents |
| Basf | 64 |
| Afton Chemical | 58 |
| Idemitsu Kosan | 35 |
| L’Oreal | 31 |
| Shell Oil Company | 27 |
| Exxonmobil Research & Engineering Co | 26 |
| Procter & Gamble | 21 |
| Halliburton Energy Services Inc | 20 |
| Chevron Oronite Sa | 20 |
| Chevron Usa Inc | 20 |
Count of 102 and 103 Type Rejections based on Lubrizol Patents
Top Lubrizol Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US7378479B2 | 16 |
| US7423082B2 | 15 |
| US6593279B2 | 13 |
| US7951211B2 | 13 |
| US6635702B1 | 13 |
| US20030147825A1 | 13 |
| US8901232B2 | 12 |
| US7943714B2 | 12 |
| US6383237B1 | 12 |
| US6696067B2 | 11 |
| US8021650B2 | 11 |
| US6777378B2 | 11 |
| US6576702B2 | 11 |
| US20050215441A1 | 11 |
| US7759296B2 | 10 |
What Percentage of Lubrizol US Patent Applications were Granted?
Lubrizol (Excluding its subsidiaries) has filed 847 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 558 have been granted leading to a grant rate of 68.8%.
Below are the key stats of Lubrizol patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Lubrizol?
| Law Firm | Total Applications | Success Rate |
| The Lubrizol Corporation | 670 | 64.14% |
| Robert W Strozier Pllc | 26 | 100.00% |
| Docket Clerk | 10 | 0% |
| Teresan W Gilbert | 10 | 80.00% |
| David M Shold | 9 | 100.00% |
| Lubrizol Fay Sharpe Llp | 9 | 71.43% |
| Pillsbury Winthrop Shaw Pittman Llp | 7 | 100.00% |
| Jeffrey F Munson | 6 | 0.00% |
| Birch Stewart Kolasch & Birch Llp | 5 | 100.00% |
| Cushman Darby & Cushman | 5 | 100.00% |
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