Stihl has a total of 4523 patents globally, out of which 3183 have been granted. Of these 4523 patents, more than 65% patents are active. The United States of America is where Stihl has filed the maximum number of patents, followed by Germany and China. Parallelly, Germany seems to be the main focused R&D center and also is the origin country of Stihl.
Stihl operates as a holding company. The Company, through its subsidiaries, develops, manufactures, and markets power tools for the forestry, landscapes maintenance, and construction industry. Stihl Holding serves customers worldwide.
Do read about some of the most popular patents of Stihl which have been covered by us in this article and also you can find Stihl patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Stihl patent portfolio.
How many patents does the Founder of Stihl have?
The Founder Peter Farrell has 315 patents.
How many patents does Stihl have?
Stihl has a total of 4523 patents globally. These patents belong to 1600 unique patent families. Out of 4523 patents, 2967 patents are active.
How Many Patents did Stihl 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 | Stihl Applications Filed | Stihl Patents Granted |
| 2011 | 231 | 160 |
| 2012 | 248 | 166 |
| 2013 | 233 | 172 |
| 2014 | 185 | 180 |
| 2015 | 158 | 221 |
| 2016 | 156 | 164 |
| 2017 | 194 | 206 |
| 2018 | 163 | 175 |
| 2019 | 155 | 158 |
| 2020 | 170 | 158 |
| 2021 | 145 | 160 |
| 2022 | 27 | 114 |
How many Stihl patents are Alive/Dead?
Worldwide Patents
How Many Patents did Stihl File in Different Countries?
Countries in which Stihl Filed Patents
| Country | Patents |
| United States Of America | 1209 |
| Germany | 817 |
| China | 683 |
| Europe | 657 |
| Japan | 298 |
| United Kingdom | 180 |
| France | 162 |
| Canada | 89 |
| Spain | 76 |
| Brazil | 51 |
| Russia | 42 |
| Australia | 32 |
| Austria | 29 |
| Sweden | 26 |
| Italy | 18 |
| Mexico | 16 |
| Indonesia | 12 |
| Poland | 12 |
| New Zealand | 10 |
| Norway | 9 |
| Malaysia | 9 |
| Denmark | 8 |
| Portugal | 8 |
| Turkey | 3 |
| Korea (South) | 3 |
| Hong Kong (S.A.R.) | 2 |
| South Africa | 2 |
| Philippines | 1 |
| Finland | 1 |
| Taiwan | 1 |
| Nicaragua | 1 |
| Luxembourg | 1 |
| Belgium | 1 |
| Viet Nam | 1 |
| Hungary | 1 |
| Czech Republic | 1 |
| India | 1 |
Where are Research Centers of Stihl Patents Located?
10 Best Stihl Patents
US8869912B2 is the most popular patent in the Stihl portfolio. It has received 162 citations so far from companies like Cilag Gmbh International, Husqvarna Group and Makita Corporation.
Below is the list of 10 most cited patents of Stihl:
| Publication Number | Citation Count |
| US8869912B2 | 162 |
| US6367559B1 | 102 |
| US6393835B1 | 92 |
| US6375171B1 | 86 |
| US20100218386A1 | 65 |
| US20060102420A1 | 65 |
| US7809495B2 | 61 |
| US6848513B2 | 61 |
| US6651347B2 | 58 |
| US6973726B2 | 57 |
Which Companies are using Stihl Patents to Advance their Research?
If patents or patents from a particular technology area of a company receive a lot of citations, it implies that the technology is being followed and incrementally innovated by the citing companies. It also indicates that citing companies are working on similar and closely related technologies.
The top citing companies in the Stihl patent portfolio are Husqvarna, Makita and Robert Bosch.
List of the top forward citing Companies –
| Company | Number of Patents |
| Husqvarna Group | 47 |
| Makita | 27 |
| Robert Bosch | 21 |
| Yamabiko Corporation | 19 |
| Tyco Fire Products Lp | 16 |
| Koki Holdings Co Ltd | 12 |
| The Viking Corporation | 11 |
| Milwaukee Electric Tool Corporation | 9 |
| Chervon Hk Limited | 8 |
| Victaulic Company | 7 |
Count of 102 and 103 Type Rejections based on Stihl Patents
Top Stihl Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US20100218386A1 | 14 |
| US7389824B2 | 7 |
| US8894382B2 | 6 |
| US8573323B2 | 6 |
| US9314915B2 | 6 |
| US8636075B2 | 5 |
| US8166575B2 | 5 |
| US7766252B2 | 5 |
| US6848513B2 | 4 |
| US6681726B2 | 4 |
| US6367559B1 | 4 |
| US20100218385A1 | 4 |
| US6715561B2 | 4 |
| US7958642B2 | 4 |
| US9010454B2 | 4 |
What Percentage of Stihl US Patent Applications were Granted?
Stihl has filed 793 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 597 have been granted leading to a grant rate of 83.3%.
Below are the key stats of Stihl patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Stihl?
| Law Firm | Total Applications | Success Rate |
| Walter Ottesen Pa | 361 | 89.71% |
| Gudrun E Huckett Draudt | 185 | 80.36% |
| Robert Becker Ip Law | 95 | 77.89% |
| Crowell & Moring Llp | 68 | 96.30% |
| Robert W Becker & Associates | 42 | 61.90% |
| Paul D Strain | 20 | 85.00% |
| Lucas & Mercanti Llp | 6 | 83.33% |
| Becker & Becker Inc | 5 | 80.00% |
| Foley & Lardner Llp | 5 | 60.00% |
| Klarquist Sparkman Llp | 4 | 100.00% |