Duke Energy has a total of 72 patents globally, out of which 52 have been granted. Of these 72 patents, more than 77% patents are active. United States Of America is where Duke Energy has filed the maximum number of patents, followed by Europe and Korea (South). Parallelly, United States Of America seems to be the main focused R&D center and is also the origin country of Duke Energy.
Duke Energy was founded in 1904 by Benjamin Newton Duke and James Buchanan Duke. Duke Energy is an energy company located primarily in the Americas that owns an integrated network of energy assets. The Company manages a portfolio of natural gas and electric supply, delivery, and trading businesses in the United States and Latin America. As of March 2022 Duke Energy has a market cap of $85.43 Billion.
Do read about some of the most popular patents of Duke Energy which have been covered by us in this article and also you can find Duke Energy patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Duke Energy patent portfolio.
How many patents does the CEO of Duke Energy have?
The CEO, Lynn Good has 0 patents.
How many patents does Duke Energy have?
Duke Energy has a total of 72 patents globally. These patents belong to 40 unique patent families. Out of 72 patents, 56 patents are active.
How Many Patents did Duke Energy 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 | Duke Energy Applications Filed | Duke Energy Patents Granted |
| 2012 | 3 | 3 |
| 2013 | – | 1 |
| 2014 | 9 | 2 |
| 2015 | 2 | – |
| 2016 | 5 | 2 |
| 2017 | 6 | 9 |
| 2018 | 12 | 6 |
| 2019 | 7 | 4 |
| 2020 | 3 | 9 |
| 2021 | 4 | 6 |
How many Duke Energy patents are Alive/Dead?
Worldwide Patents
Patent Families
How Many Patents did Duke Energy File in Different Countries?
Countries in which Duke Energy Filed Patents
| Country | Patents |
| United States Of America | 51 |
| Europe | 4 |
| Korea (South) | 3 |
| Canada | 2 |
| Israel | 2 |
| Poland | 1 |
| Mexico | 1 |
| Germany | 1 |
| Spain | 1 |
| India | 1 |
| Japan | 1 |
Where are the Research Centers of Duke Energy Patents Located?
10 Best Duke Energy Patents
US6879917B2 is the most popular patent in the Duke Energy portfolio. It has received 63 citations so far from companies like Cannon Technologies and Sentient Energy Inc.
Below is the list of 10 most cited patents of Duke Energy:
| Publication Number | Citation Count |
| US6879917B2 | 63 |
| US8812165B1 | 23 |
| US7598751B2 | 18 |
| US7349007B2 | 17 |
| US9953210B1 | 12 |
| US6981706B1 | 10 |
| US8305442B2 | 9 |
| US6648570B2 | 8 |
| US7380802B1 | 5 |
| US9829899B2 | 4 |
What Percentage of Duke EnergyUS Patent Applications were Granted?
Duke Energy(Excluding its subsidiaries) has filed 26 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 20 have been granted leading to a grant rate of 95.24%.
Below are the key stats of Duke Energy patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Duke Energy?
| Law Firm | Total Applications | Success Rate |
| Myers Bigel | 17 | 100.00% |
| Clements Bernard Baratta Walker | 2 | 100.00% |
| K&L Gates | 2 | 100.00% |
| Ballard Spahr | 1 | 100.00% |
| Nelson Mullins Riley & Scarborough | 1 | 100.00% |
| Stephen R Chapman | 1 | 100.00% |
| Vinson & Elkins | 1 | 0.00% |
| Womble Bond Dickinson | 1 | 100.00% |
EXCLUSIVE INSIGHTS COMING SOON!
What are Duke Energy’s key innovation segments?