Adtran has a total of 1580 patents globally, out of which 1227 have been granted. Of these 1580 patents, more than 67% patents are active. The United States of America is where Adtran has filed the maximum number of patents, followed by Europe and Germany. Parallelly, The United States of America seems to be the main focused R&D center and also USA is the origin country of Adtran.
Adtran was founded in 1985. The Company designs, develops, manufactures, markets and services a variety of high-speed digital transmission products. The Company’s products are used by telephone companies and corporate end-users to implement advanced digital data services over existing telephone networks. Company also offers a line of multiplexers which provides modular flexibility.
Do read about some of the most popular patents of Adtran which have been covered by us in this article and also you can find Adtran patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Adtran patent portfolio.
How many patents does the Founder and CEO of Adtran have?
The Founders Lonnie McMillian has 180 patent and Mark C. Smith has 84 and the CEO Tom Stanton have 3 patents.
How many patents does Adtran have?
Adtran has a total of 1580 patents globally. These patents belong to 954 unique patent families. Out of 1580 patents, 1073 patents are active.
How Many Patents did Adtran 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 | Adtran Applications Filed | Adtran Patents Granted |
| 2023 | – | 21 |
| 2022 | 18 | 38 |
| 2021 | 43 | 65 |
| 2020 | 39 | 79 |
| 2019 | 52 | 92 |
| 2018 | 73 | 128 |
| 2017 | 81 | 113 |
| 2016 | 69 | 86 |
| 2015 | 91 | 67 |
| 2014 | 70 | 104 |
| 2013 | 84 | 76 |
| 2012 | 118 | 42 |
How many Adtran patents are Alive/Dead?
Worldwide Patents
How Many Patents did Adtran File in Different Countries?
Countries in which Adtran Filed Patents
| Country | Patents |
| United States Of America | 760 |
| Europe | 296 |
| Germany | 261 |
| Austria | 50 |
| Australia | 30 |
| Canada | 14 |
| Japan | 12 |
| Korea (South) | 10 |
| China | 10 |
| India | 5 |
| Mexico | 4 |
| Israel | 2 |
| United Kingdom | 2 |
| Spain | 1 |
| Denmark | 1 |
| Hong Kong (S.A.R.) | 1 |
Where are Research Centers of Adtran Patents Located?
10 Best Adtran Patents
US7042988B2 is the most popular patent in the Adtran portfolio. It has received 555 citations so far from companies like Nokia, Cisco Technology and Samsung.
Below is the list of 10 most cited patents of Adtran:
| Publication Number | Citation Count |
| US7042988B2 | 555 |
| US6647428B1 | 295 |
| US7391771B2 | 189 |
| US7260638B2 | 186 |
| US20060234678A1 | 162 |
| US6543286B2 | 138 |
| US6643269B1 | 127 |
| US6680912B1 | 106 |
| US6687235B1 | 103 |
| US7126937B2 | 100 |
How many inventions of other companies were rejected due to Adtran patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Adtran invention. They couldn’t because Adtran had protected those before them.
Examiners at the USPTO referred 310 Adtran patents in 1473 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Adtran patent portfolio are Cisco Technology, Huawei and Fujitsu.
List of the Companies whose Patents were rejected citing Adtran –
| Company | Number of Patent Applications that faced Rejection Citing Adtran Patents | Number of Rejections (102 & 103) |
| Cisco Technology | 20 | 40 |
| Huawei | 19 | 33 |
| Fujitsu | 17 | 32 |
| Wells Fargo Bank | 17 | 31 |
| Avago Technologies | 16 | 31 |
| Marvell Asia | 14 | 25 |
| Qualcomm | 12 | 36 |
| Microsoft | 12 | 26 |
| Ericsson | 12 | 28 |
| Hewlett Packard Enterprise | 12 | 16 |
Count of 102 and 103 Type Rejections based on Adtran Patents
Top Adtran Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US7042988B2 | 26 |
| US7126937B2 | 18 |
| US7146636B2 | 18 |
| US20050281392A1 | 14 |
| US7260638B2 | 12 |
| US8305882B2 | 10 |
| US6741603B2 | 9 |
| US8358934B2 | 8 |
| US6798941B2 | 8 |
| US6728209B2 | 6 |
| US8565235B2 | 5 |
| US9294212B2 | 5 |
| US9319317B1 | 5 |
| US8891965B2 | 5 |
| US8411696B1 | 5 |
What Percentage of Adtran US Patent Applications were Granted?
Adtran (Excluding its subsidiaries) has filed 569 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 512 have been granted leading to a grant rate of 92.75%.
Below are the key stats of Adtran patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Adtran?
| Law Firm | Total Applications | Success Rate |
| Maynard Cooper & Gale | 169 | 98.80% |
| Add G 27975 | 163 | 91.41% |
| Fish & Richardson | 99 | 96.81% |
| Smith Tempel Blaha | 31 | 77.42% |
| Lerner Greenberg Stemer | 17 | 94.12% |
| Brundidge & Stanger | 14 | 57.14% |
| Maynard Cooper & Gale | 10 | 100.00% |
| Sawyer Law Group | 8 | 100.00% |
| Christopher F Regan Esquire | 7 | 71.43% |
| Lanier Ford Shaver & Payne | 7 | 100.00% |
What are Adtran key innovation segments?
What Technologies are Covered by Adtran?
The chart below distributes patents filed by Adtran