Rohm Gmbh has a total of 5096 patents globally, out of which 1921 have been granted. Of these 5096 patents, more than 18% patents are active. Europe is where Rohm Gmbh has filed the maximum number of patents, followed by Germany and Korea (South). Parallelly, Germany seems to be the main focused R&D centre and also is the origin country of Rohm Gmbh.
Rohm Gmbh was founded in the year 1909. The Company engages in the production and distribution of methacrylate chemicals. It offers products under the brand names Acrylite, Plexiglas, Cyrolite, Meracryl, Degadur, Degalan and Degaroute, which are used in the automotive, aerospace, construction and advertising industries.
Do read about some of the most popular patents of Rohm Gmbh which have been covered by us in this article and also you can find Rohm Gmbh patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Rohm Gmbh patent portfolio.
How many patents does Rohm Gmbh have?
Rohm Gmbh has a total of 5096 patents globally. These patents belong to 837 unique patent families. Out of 5096 patents, 929 patents are active.
How Many Patents did Rohm Gmbh 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 | Rohm Gmbh Applications Filed | Rohm Gmbh Patents Granted |
| 2022 | – | 13 |
| 2021 | – | 40 |
| 2020 | – | 17 |
| 2019 | 12 | 53 |
| 2018 | 43 | 96 |
| 2017 | 69 | 135 |
| 2016 | 62 | 113 |
| 2015 | 138 | 144 |
| 2014 | 148 | 165 |
| 2013 | 171 | 169 |
| 2012 | 294 | 153 |
How many Rohm Gmbh patents are Alive/Dead?
How Many Patents did Rohm Gmbh File in Different Countries?
Countries in which Rohm Gmbh Filed Patents
| Country | Patents |
| Europe | 450 |
| Germany | 446 |
| Korea (South) | 336 |
| United States Of America | 285 |
| Japan | 277 |
| China | 269 |
| Austria | 231 |
| Brazil | 222 |
| Hong Kong (S.A.R.) | 211 |
| Canada | 197 |
| Taiwan | 192 |
| India | 178 |
| Mexico | 174 |
| Russia | 172 |
| Spain | 165 |
| Poland | 122 |
| Singapore | 116 |
| Australia | 115 |
| Slovenia | 88 |
| Malaysia | 83 |
| South Africa | 73 |
| Denmark | 45 |
| Indonesia | 44 |
| Hungary | 25 |
| Slovakia | 24 |
| New Zealand | 22 |
| Saudi Arabia | 16 |
| Portugal | 16 |
| Norway | 15 |
| Turkey | 11 |
| Tunisia | 7 |
| Morocco | 7 |
| Croatia | 6 |
| Gulf Cooperation Council | 6 |
| Egypt | 5 |
| Argentina | 4 |
| Brunei | 3 |
| Israel | 3 |
| Chile | 3 |
| Serbia | 3 |
| Estonia | 3 |
| Italy | 3 |
| Peru | 2 |
| Czech Republic | 2 |
| Philippines | 2 |
| United Arab Emirates | 1 |
| Viet Nam | 1 |
| Turkmenistan | 1 |
| Uzbekistan | 1 |
| Lithuania | 1 |
Where are Research Centres of Rohm Gmbh Patents Located?
10 Best Rohm Gmbh Patents
US6692824B2 is the most popular patent in the Rohm Gmbh portfolio. It has received 99 citations so far from companies like Lightlab Imaging, Certainteed Corporation and Sun Chemical Corporation.
Below is the list of 10 most cited patents of Rohm Gmbh:
| Publication Number | Citation Count |
| US6692824B2 | 99 |
| US6596251B2 | 99 |
| WO2009036812A1 | 88 |
| US20070055017A1 | 79 |
| WO2010105672A1 | 74 |
| WO2008049657A2 | 71 |
| US20100068773A1 | 69 |
| US6878387B1 | 63 |
| US20070222117A1 | 63 |
| US6803416B2 | 61 |
How many inventions of other companies were rejected due to Rohm Gmbh patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Rohm Gmbh invention. They couldn’t because Rohm Gmbh had protected those before them.
Examiners at the USPTO referred 104 Rohm Gmbh patents in 394 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Rohm Gmbh patent portfolio are Evonik Roehm Gmbh, Arkema France and 3M Innovative Properties.
List of the Companies whose Patents were rejected citing Rohm Gmbh –
| Company | Number of Patent Applications that faced Rejection Citing Rohm Gmbh Patents | Number of Rejections (102 & 103) |
| Evonik Roehm Gmbh | 23 | 40 |
| Arkema France | 8 | 14 |
| 3M Innovative Properties | 6 | 8 |
| Evonik Degussa | 5 | 10 |
| Mitsubishi Chemical Corporation | 4 | 14 |
| Basf Se | 4 | 10 |
| Merck Patent | 3 | 4 |
| Cosmo Technologies | 3 | 4 |
| Cheil Industries | 2 | 3 |
| Sabic Global Technologies | 2 | 3 |
Count of 102 and 103 Type Rejections based on Rohm Gmbh Patents
Top Rohm Gmbh Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US7041363B2 | 8 |
| US20060204576A1 | 8 |
| US7339732B2 | 6 |
| US20050089571A1 | 5 |
| US8420709B2 | 5 |
| US20070055017A1 | 4 |
| US7947781B2 | 4 |
| US20080193522A1 | 4 |
| US20090011007A1 | 3 |
| US8106129B2 | 3 |
| US7695813B2 | 3 |
| US20140017335A1 | 3 |
| US7173093B2 | 3 |
| US8389659B2 | 3 |
| US7585565B2 | 3 |
What Percentage of Rohm Gmbh US Patent Applications were Granted?
Rohm Gmbh (Excluding its subsidiaries) has filed 423 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 371 have been granted leading to a grant rate of 87.91%.
Below are the key stats of Rohm Gmbh patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Rohm Gmbh?
| Law Firm | Total Applications | Success Rate |
| Oblon Mcclelland Maier & Neustadt | 159 | 84.91% |
| Donald R Bentz | 115 | 97.39% |
| Kf Ross | 73 | 83.56% |
| C O Curtis Morris & Safford | 15 | 86.67% |
| The Firm Of Karl F Ross | 11 | 100.00% |
| Mcandrews Held & Malloy | 5 | 40.00% |
| C O Curtis Morris And Safford | 4 | 100.00% |
| Buchanan Ingersoll & Rooney | 3 | 100.00% |
| Cushman Darby & Cushman | 3 | 100.00% |
| Karl F Ross | 3 | 100.00% |
What are Rohm Gmbh key innovation segments?
What Technologies are Covered by Rohm Gmbh?
The chart below distributes patents filed by Rohm Gmbh