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: 少妇伦子伦精品无吗在线观看 | 日韩一区二区三区在线 | 国产免费福利视频一区二区 | 啄木乌欧美一区二区三区在线 | 久久午夜羞羞影院免费观看 | 国产精品99久久99久久久二 | av网站免费在线播放 | 成人做爰高潮片免费视频九九九 | 午夜免费看视频 | 国产一区二区免费看 | 国产精品亚洲第一区二区三区 | 日韩激情无码一级毛片 | 99中文在线视频观看 | 久久国产精品免费看 | 69堂国产在线视频 | 一区二区亚洲 | 国产精品免费一区二区久久夜色 | 久久av影视| 韩国在线一区 | 无码AV无码一区二区桃花岛 | 97人人做人人人难人人做 | 一及黄色毛片 | 色版视频在线观看 | 国产无遮挡又黄又爽网站不卡 | 国产综合视频一区二区三区免费 | 91久久网 | 精品久久久网站 | www.俺去了| 天天舔天天爽 | 激情综合网天天干 | 中文字幕一区二区三区四 | 日本在线免费观看 | 97伊人网 | 亚洲网站观看 | 中文字幕.av.在线 | 91久热 | 97免费人做人爱在线看视频 | 78摸在线观看 | 久久99精品视频 | 亚洲一区二区三区精品中文字幕 | 亚洲精品无码永久中文字幕 |