Richard B Silverman has filed 268 patents, out of which 138 have been granted. Of these 268 patents, more than 51% patents are active. Out of these 268 patents, 121 patents filed only in the US, out of which 100 patents has been granted.
Do read about some of the most popular patents of Richard B. Silverman which have been covered by us in this article and also you can find his patents filing tend over the years, the worldwide coverage and many other stats over Richard B. Silverman’s patent portfolio.
The data of inventors patents made available here is solely intended for informational purposes. Although we make every effort to maintain the accuracy and comprehensiveness of the provided information, we cannot guarantee that all data is completely free of errors or entirely up-to-date. If you happen to be the Inventor and wish to contribute additional data for your respective portfolio, kindly get in touch with us.
How many patents does Richard B Silverman have?
Richard B Silverman has a total of 268 patents. These patents belong to 52 unique patent families. Out of 268 patents, 138 patents are active.
How Many Patents did Richard B Silverman 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 | Richard B Silverman Applications Filed | Richard B Silverman Patents Granted |
| 2023 | – | 1 |
| 2022 | 4 | 3 |
| 2021 | 4 | 13 |
| 2020 | 26 | 13 |
| 2019 | 23 | 7 |
| 2018 | 15 | 11 |
| 2017 | 11 | 13 |
| 2016 | 32 | 6 |
| 2015 | 25 | 11 |
| 2014 | 6 | 7 |
| 2013 | 8 | 4 |
| 2012 | 10 | 4 |
How many Richard B Silverman patents are Alive/Dead?
How Many Patents did Richard B Silverman File in Different Countries?
Countries in which Richard B Silverman Filed Patents
| Country | Patents |
| United States Of America | 121 |
| Europe | 18 |
| Australia | 13 |
| Canada | 12 |
| Japan | 12 |
| China | 8 |
| Mexico | 7 |
| Korea (South) | 5 |
| Spain | 4 |
| Germany | 3 |
| Hungary | 3 |
| Israel | 3 |
| Russia | 2 |
| Hong Kong (S.A.R.) | 2 |
| Denmark | 2 |
| Finland | 1 |
| Peru | 1 |
| Czech Republic | 1 |
| Poland | 1 |
| Colombia | 1 |
| Portugal | 1 |
| Lithuania | 1 |
| Slovakia | 1 |
| Austria | 1 |
| Chile | 1 |
| New Zealand | 1 |
| Brazil | 1 |
| Norway | 1 |
Where are Research Centres of Richard B Silverman Patents Located?
10 Best Richard B Silverman Patents
US5563175A is the most popular patent in the Richard B Silverman portfolio. It has received 216 citations so far from companies like Pfizer, Xenoport, Inc, and Ranbaxy Laboratories.
Below is the list of 10 most cited patents of Richard B Silverman:
| Publication Number | Citation Count |
| US5563175A | 216 |
| WO1993023383A1 | 115 |
| US6028214A | 113 |
| WO1992009560A1 | 100 |
| US6117906A | 97 |
| US5599973A | 89 |
| US6197819B1 | 76 |
| US6794413B1 | 35 |
| US6359169B1 | 34 |
| US9878996B2 | 31 |
How many inventions of other companies were rejected due to Richard B Silverman patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Richard B Silverman’s invention. They couldn’t because Richard B Silverman had protected those before them.
Examiners at the USPTO used 11 Richard B Silverman patents in 37 rejections (35 USC § 102 or 35 USC § 103 types).
The top companies/Universities whose faced patents application rejections citing Richard B Silverman patent portfolio are Northwestern University, Ovid Therapeutics Inc, and National Institutes Of Health (Nih).
List of the Companies whose Patents were rejected citing Richard B Silverman –
| Company | Number of Patent Applications that faced Rejection Citing Richard B Silverman Patents | Number of Rejections (102 & 103) |
| Northwestern University | 5 | 6 |
| Ovid Therapeutics Inc | 4 | 20 |
| National Institutes Of Health (Nih) | 3 | 4 |
| Cornell University | 1 | 1 |
| Catalyst Pharmaceutical Partners | 1 | 1 |
| Agency For Science Technology And Research | 1 | 1 |
| Nitto Denko | 1 | 4 |
Count of 102 and 103 Type Rejections based on Richard B Silverman Patents
Top Richard B Silverman Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US6794413B1 | 3 |
| US9670141B2 | 3 |
| US7994326B2 | 3 |
| US6197819B1 | 2 |
| US7381748B1 | 2 |
| US8969413B2 | 1 |
| US7470790B2 | 1 |
| US6274557B1 | 1 |
| US9993449B2 | 1 |
| US8735606B2 | 1 |
| US8278084B2 | 1 |