国产老熟_又大又硬又黄又刺激的免费视频_熟女泄火一区二区三区在线_一级特黄在线_精品少妇人妻av无码专区不卡_国产色婷婷精品综合在线

`

我們的經(jīng)驗(yàn),助您成功

Our experience contributes to your success

三十年匠心專注,成就卓越品質(zhì)

Thirty years of ingenuity and dedication to achieve excellent quality

我們的經(jīng)驗(yàn),助您成功

Our experience contributes to your success

三十年匠心專注,成就卓越品質(zhì)

Thirty years of ingenuity and dedication to achieve excellent quality

30 years, we have been at the forefront

Founded in 1991, Tianzheng Patent Attorneys, formerly known as official patent attorneys of Zhejiang University of Technology, is one of the largest patent agencies in Zhejiang province. Tianzheng was authorized by state council as an international patent agency, and serves as designated agency for Zhejiang University and Zhejiang University of Technology. The service of Tianzheng includes patent applications (domestic and international), patent infringement dispute litigation, patent invalidation request, etc. The attorney has applied for more than 30,000 patents, of which more than 15,000 invention patents. Tianzheng owns a professional agent team that is proficient in intellectual property rights and work with technical background and rigorous attitude, which is worthy of trust of client.

1991Year

Founded in 1991

30000+

Patent Applications

13

Patent Attorneys

500+

IPR Infringement cases

View more →

Service Field

Hangzhou Tianzheng Patent Attorneys upholds
"Dedication and Reliable" creed

The service of Tianzheng includes patent applications (domestic and international), patent infringement dispute litigation, patent invalidation request, etc. The attorney has applied for more than 30,000 patents, of which more than 15,000 invention patents. Tianzheng adheres to the creed of "dedication and reliable", has worked for a large number of patent applications, trademark registration, and a series of well-known patent infringement proceedings, reexamination invalidation cases, trademark review and adjudication cases, against unfair competition cases. For decades, Tianzheng cooperated with numerous famous enterprises and maintained a long term service relationship.

Service Field

Hangzhou Tianzheng Patent Attorneys upholds "Dedication and Reliable" creed

The service of Tianzheng includes patent applications (domestic and international), patent infringement dispute litigation, patent invalidation request, etc. The attorney has applied for more than 30,000 patents, of which more than 15,000 invention patents. Tianzheng adheres to the creed of "dedication and reliable", has worked for a large number of patent applications, trademark registration, and a series of well-known patent infringement proceedings, reexamination invalidation cases, trademark review and adjudication cases, against unfair competition cases. For decades, Tianzheng cooperated with numerous famous enterprises and maintained a long term service relationship.

Join Us

Tianzheng Patent Attorney has 13 practicing patent agents, including 1 senior professional researcher and 4 associate professional researchers. The young elites of Tianzheng graduated from Peking University, Shanghai Jiao Tong University, Zhejiang University and other famous institutes and faculties, their technical background include machinery, electronics, automation, chemistry, chemical engineering, bio-pharmaceuticals, etc.

View more →

Join Us

Tianzheng Patent Attorney has 13 practicing patent agents, including 1 senior professional researcher and 4 associate professional researchers. The young elites of Tianzheng graduated from Peking University, Shanghai Jiao Tong University, Zhejiang University and other famous institutes and faculties, their technical background include machinery, electronics, automation, chemistry, chemical engineering, bio-pharmaceuticals, etc.

View more →

Follow Us

Copyright:Hangzhou Tianzheng Patent Attorneys © 2002-2022 www.ks408.cn All Rights Reserved.

工信部備案: 浙ICP備05057806號(hào)    公安部備案:浙公網(wǎng)安備33010202001789號(hào)    Technical support: Yanhuang Online

Copyright:Hangzhou Tianzheng Patent Attorneys © 2002-2022 www.ks408.cn All Rights Reserved.

主站蜘蛛池模板: 四虎影视亚洲精品一区二区 | 91视频 - x99av | 三影院老子影院午夜伦不卡 | 亚洲av激情毛片九色一区 | 色综久久综合桃花网 | 国产亚洲视频在线观看视频在线 | 国产尤物小视频在线观看 | 精品一区二区三区欧美 | 精品免费二区三区三区高中清不卡 | 免费日韩一级片 | 国产成人青草视频 | 久久高清国产 | 激情动漫 | 国产精品视频一区在线观看 | 精品超清无码视频在线观看 | 福利在线免费视频 | 精品人伦一区二区三区四区蜜桃牛 | 在线视频在线视频7m国产 | 国产精自产拍久久久久久 | 日本ⅹxxxx久色视频免费观看 | 欧美精品欧美精品 | 免费视频网站 | 亚洲国产不卡 | 日韩一区二区三区无码免费视频 | 成人在线视频免费 | 亚洲国产aⅴ精品 | 日韩字幕在线观看 | 一级做受毛片免费大片一级做 | 国产乱来视频 | 欧美日韩亚洲精品一区二区三区 | 性感一区二区三区 | 免费不卡av网站 | 先锋影音人妻啪啪va资源网站 | 午夜精品久久久久久久传媒 | 成人乱码一区二区三区av0 | 一级毛片在线视频免费观看 | 国产精品永久久久 | 日韩超碰 | 国产在线一二三区 | 欧美高清在线视频一区二区 | 国产二区三区在线 |