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Trademark Policy — GigaPDF

The GigaPDF source code is source-available under the PolyForm Noncommercial 1.0.0 license.

The "GigaPDF" name and logo are trademarks of QR Communication SAS (SIREN 940 163 496, 23 rue de Richelieu, 75001 Paris, France).

Note: A French INPI trademark application is being filed. This document will be updated with the application number once the filing is complete.

This policy explains acceptable and unacceptable uses of the trademark to protect users from confusion and the project from misrepresentation.

✅ Allowed without permission

  • Refer to GigaPDF in articles, blog posts, books, talks, tutorials.

  • Indicate compatibility ("plugin for GigaPDF", "GigaPDF-compatible").

  • Run an unmodified copy of GigaPDF for personal or internal use.

  • Host an unmodified copy as a service for end users, provided the service page clearly states:

    "Hosted GigaPDF service operated by [Your Company]. Not affiliated with QR Communication SAS or the official GigaPDF project."

❌ Not allowed without written permission

  • Distributing a modified version under the name "GigaPDF" or any confusingly similar name. Forks with code modifications must rebrand entirely (different primary name, different logo, different domain). The fork README may state "based on GigaPDF v<x.y.z>".
  • Using the GigaPDF logo on commercial materials suggesting endorsement.
  • Domain names containing "gigapdf" suggesting official affiliation (e.g., gigapdf-pro.com, official-gigapdf.io, gigapdfhosting.com).
  • Selling merchandise bearing the GigaPDF name or logo.
  • Registering "GigaPDF" or any confusingly similar mark as a trademark in any jurisdiction.

📧 Permission requests

Send to: contact@qrcommunication.com

Subject line: [Trademark] Your request. Typical response time: 7 days.

Logo assets

Logo files are available in the branding/ folder under CC-BY-ND 4.0 (attribution required, no derivative works).

The code itself remains under PolyForm Noncommercial 1.0.0.

Why this policy?

GigaPDF is built and maintained by QR Communication SAS in Paris. We want the open source community to thrive, but we also need to prevent confusion: a user finding "GigaPDF Pro" online should know whether it's the official project or an unrelated fork.

The strict rebranding rule for modified forks is the same approach used by Mozilla (Firefox), the Linux Foundation (Kubernetes), and many other open source projects.

Contact

QR Communication SAS 23 rue de Richelieu, 75001 Paris, France contact@qrcommunication.com — +33 1 88 83 34 51