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15 years of experience in fighting piracy

Supporting your company with international capabilities

We protect the copyrights of books, documents, manga, videos, and images from pirated copies on the Internet.

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SENTINEL

About Sentinel

Sentinel Copyright Guardian was founded in the San Francisco Bay Area, California, USA, to protect the copyrights of books, literature, manga, videos, and images from pirated copies on the Internet.

Copyright infringing content is now easily accessible via the Internet, regardless of borders or language, and the losses caused by infringement are immeasurable.

Sentinel protects your content by removing pirated copies in accordance with the US DMCA (Digital Millennium Copyright Act) law.

Solutions

Solution

Monitor, delete, block.
We protect you from copyright infringement with three systematic pillars

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delete

Enforcement

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Information Blockade

Delisting

Service

service

We will thoroughly deal with copyright infringement in six steps

01

investigation

In addition to automatic crawling, our experienced team will carry out site-specific, language-independent research.

02

Determination of infringement

Visually determine whether it is a pirated copy or licensed content

03

Data collection

All URLs that have been confirmed to be infringing are entered into the system and managed in a database in detailed categories.

04

Removal Request

Request removal of URLs containing copyright infringing content in accordance with the US DMCA law

05

Search engine friendly

違法コンテンツの情報が拡散されないよう、サーチエンジンに検索結果からの削除申請を行う

06

Continued monitoring

Continuous monitoring of whether pirate sites and social media sites have responded to requests to remove content

Customize

Customization

Our services are customised to suit your needs.
The following is also possible, please feel free to contact us.

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Research and data collection

Service No.01〜03

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Request for deletion on your behalf

Service No.04

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Full Service

Service No.01~06

Report

Reports

No matter how you customize your service,
Customers can check our response status in real time on a dedicated portal.

The portal also allows you to view only the data you want and create reports.

棒グラフ

Contact

inquiry

If you have any questions about our services or have any other inquiries, please contact us here.

611 Gateway Blvd, Suite 120 South San Francisco, CA 94080

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SENTINEL

COPYRIGHT GUARDIAN

© 2025 Sentinel - Copyright Guardian LLC

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