PolyPlus has a total of 274 patents globally, out of which 149 have been granted. Of these 274 patents, more than 45% patents are active. The United States of America is where PolyPlus has filed the maximum number of patents, followed by Europe. Parallelly, United States of America seems to be the main focused R&D centre and also is the origin country of PolyPlus.
PolyPlus was founded in the year 1991. PolyPlus is a battery manufacturer that produces shielded lithium metal electrodes. The company sells aqueous lithium, lithium air, shielded lithium anodes, and lithium sulphur batteries.
Do read about some of the most popular patents of PolyPlus which have been covered by us in this article and also you can find PolyPlus patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over PolyPlus patent portfolio.
How many patents does PolyPlus have?
PolyPlus has a total of 274 patents globally. These patents belong to 52 unique patent families. Out of 274 patents, 124 patents are active.
How Many Patents did PolyPlus 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 | PolyPlus Applications Filed | PolyPlus Patents Granted |
| 2023 | 1 | 9 |
| 2022 | 12 | 2 |
| 2021 | 11 | 4 |
| 2020 | 8 | 11 |
| 2019 | 5 | – |
| 2018 | 9 | 3 |
| 2017 | 8 | 7 |
| 2016 | 6 | 4 |
| 2015 | 20 | 9 |
| 2014 | 10 | 17 |
| 2013 | 4 | 10 |
| 2012 | 21 | 15 |
| 2011 | 8 | 6 |
How many PolyPlus patents are Alive/Dead?
How Many Patents did PolyPlus File in Different Countries?
Countries in which PolyPlus Filed Patents
| Country | Patent |
| United States Of America | 143 |
| Europe | 14 |
| Japan | 13 |
| Korea (South) | 13 |
| China | 13 |
| Mexico | 10 |
| Canada | 8 |
| Australia | 8 |
| Germany | 7 |
| Brazil | 7 |
| Austria | 5 |
| Israel | 2 |
| Spain | 1 |
| Denmark | 1 |
Where are Research Centres of PolyPlus Patents Located?
10 Best PolyPlus Patents
US7282295B2 is the most popular patent in the PolyPlus portfolio. It has received 266 citations so far from companies like Excellatron Solid State, Ceramatec and Sion Power Corporation.
Below is the list of 10 most cited patents of PolyPlus:
| Publication Number | Citation Count |
| US7282295B2 | 266 |
| US7070632B1 | 243 |
| US6911280B1 | 215 |
| US7282296B2 | 205 |
| US6723140B2 | 184 |
| US6737197B2 | 180 |
| US7282302B2 | 177 |
| US20050186469A1 | 171 |
| US6537701B1 | 160 |
| US6632573B1 | 152 |
How many inventions of other companies were rejected due to PolyPlus patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to PolyPlus invention. They couldn’t because PolyPlus had protected those before them.
Examiners at the USPTO referred 72 PolyPlus patents in 1041 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the PolyPlus patent portfolio are Sion Power Corp, Toyota and Robert Bosch.
List of the Companies whose Patents were rejected citing PolyPlus –
| Company | Number of Patent Applications that faced Rejection Citing PolyPlus Patents | Number of Rejections (102 & 103) |
| Sion Power Corp | 24 | 94 |
| Toyota | 22 | 45 |
| Robert Bosch | 18 | 47 |
| US Department Of Energy | 17 | 36 |
| Samsung | 15 | 56 |
| Gm Global | 10 | 16 |
| Basf | 9 | 19 |
| Corning | 9 | 22 |
| Toshiba | 9 | 33 |
| Lg Energy | 7 | 13 |
Count of 102 and 103 Type Rejections based on PolyPlus Patents
Top PolyPlus Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US8182943B2 | 40 |
| US7282295B2 | 29 |
| US6723140B2 | 19 |
| US8404388B2 | 17 |
| US7824806B2 | 17 |
| US8652692B2 | 17 |
| US9368775B2 | 17 |
| US7645543B2 | 15 |
| US20050186469A1 | 12 |
| US6911280B1 | 12 |
| US10164289B2 | 11 |
| US7070632B1 | 10 |
| US8455131B2 | 9 |
| US8129052B2 | 9 |
| US20060177732A1 | 9 |
What are PolyPlus key innovation segments?
What Technologies are Covered by PolyPlus?
The chart below distributes patents filed by PolyPlus