Unitika has a total of 7181 patents globally, out of which 3242 have been granted. Of these 7181 patents, more than 33% patents are active. Japan is where Unitika has filed the maximum number of patents, followed by China and the United States of America. Parallelly, Japan seems to be the main focused R&D centre and also is the origin country of Unitika.
Unitika was founded in the year 1889. Unitika produces and distributes textiles made of synthetic materials that are used to make clothing and other products for the industrial sector. Cotton, nylon, wool, and polyester textiles are the company’s areas of expertise. Along with producing textiles, Unitika also creates non-textile items like films, chemical resins, and medical and environmental products.
Do read about some of the most popular patents of Unitika which have been covered by us in this article and also you can find Unitika patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Unitika patent portfolio.
How many patents does Unitika have?
Unitika has a total of 7181 patents globally. These patents belong to 5487 unique patent families. Out of 7181 patents, 2404 patents are active.
How Many Patents did Unitika 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 | Unitika Applications Filed | Unitika Patents Granted |
| 2023 | 2 | 36 |
| 2022 | 79 | 180 |
| 2021 | 211 | 159 |
| 2020 | 260 | 151 |
| 2019 | 259 | 142 |
| 2018 | 249 | 163 |
| 2017 | 307 | 170 |
| 2016 | 213 | 129 |
| 2015 | 282 | 137 |
| 2014 | 326 | 195 |
| 2013 | 358 | 227 |
| 2012 | 257 | 189 |
| 2011 | 280 | 188 |
How many Unitika patents are Alive/Dead?
How Many Patents did Unitika File in Different Countries?
Countries in which Unitika Filed Patents
| Country | Patent |
| Japan | 5472 |
| China | 272 |
| United States Of America | 198 |
| Korea (South) | 192 |
| Taiwan | 185 |
| Europe | 182 |
| Germany | 101 |
| Hong Kong (S.A.R.) | 79 |
| Australia | 29 |
| Indonesia | 26 |
| India | 20 |
| Canada | 18 |
| Viet Nam | 9 |
| Austria | 9 |
| Malaysia | 6 |
| Spain | 5 |
| Singapore | 5 |
| Brazil | 4 |
| New Zealand | 4 |
| Chile | 3 |
| Italy | 3 |
| Philippines | 3 |
| Russia | 2 |
| Thailand | 2 |
| Norway | 2 |
| Denmark | 1 |
| Poland | 1 |
| Portugal | 1 |
Where are Research Centres of Unitika Patents Located?
10 Best Unitika Patents
JP2009091694A is the most popular patent in the Unitika portfolio. It has received 124 citations so far from companies like Dainippon Printing, LG and Teijin Fibers.
Below is the list of 10 most cited patents of Unitika:
| Publication Number | Citation Count |
| JP2009091694A | 124 |
| WO2004104090A1 | 121 |
| JP2005171204A | 109 |
| US7807773B2 | 79 |
| WO2002055598A1 | 73 |
| US6818699B2 | 71 |
| JP2005350829A | 71 |
| JP2009235289A | 68 |
| WO2011126038A1 | 66 |
| WO2009025063A1 | 66 |
How many inventions of other companies were rejected due to Unitika patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Unitika invention. They couldn’t because Unitika had protected those before them.
Examiners at the USPTO referred 85 Unitika patents in 463 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Unitika patent portfolio are Dow Global Technologies, Dsm Ip and LG.
List of the Companies whose Patents were rejected citing Unitika –
| Company | Number of Patent Applications that faced Rejection Citing Unitika Patents | Number of Rejections (102 & 103) |
| Dow Global Technologies | 7 | 18 |
| Dsm Ip | 6 | 9 |
| LG | 6 | 14 |
| Samsung | 6 | 17 |
| Fuji Xerox | 5 | 7 |
| Toppan | 5 | 10 |
| Basf | 3 | 5 |
| Ems Patent | 3 | 7 |
| Toyobo | 3 | 6 |
| Henkel | 3 | 6 |
Count of 102 and 103 Type Rejections based on Unitika Patents
Top Unitika Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US8124277B2 | 9 |
| US7666941B2 | 8 |
| US7972669B2 | 8 |
| US20090246554A1 | 8 |
| US7173080B2 | 8 |
| US6777096B2 | 8 |
| US7351772B2 | 7 |
| US7807773B2 | 6 |
| US8114521B2 | 6 |
| US20090018237A1 | 5 |
| US20100056656A1 | 5 |
| US9045591B2 | 5 |
| US20100197842A1 | 5 |
| US20030004248A1 | 5 |
| US10072143B2 | 4 |
What Percentage of Unitika US Patent Applications were Granted?
Unitika (Excluding its subsidiaries) has filed 374 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 248 have been granted leading to a grant rate of 72.94%.
Below are the key stats of Unitika patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Unitika?
| Law Firm | Total Applications | Success Rate |
| Fildes & Outland | 97 | 61.16% |
| Sughrue Mion Zinn | 80 | 86.88% |
| Birch Stewart Kolasch & Birch | 30 | 65.00% |
| Wenderoth Lind & Ponack | 25 | 70.00% |
| Harness Dickey Troy | 12 | 100.00% |
| Hamre Schumann Mueller & Larson | 11 | 44.44% |
| Oblon Mcclelland Maier & Neustadt | 9 | 77.78% |
| Sughrue Rothwell Mion | 9 | 100.00% |
| Mcdonald Hopkins | 8 | 100.00% |
| Oblon Fisher Spivak | 6 | 100.00% |