LaTeX, LaTeX3 and expl3 Logos and Usage

Feel free to do these things

• Use the LaTeX or expl3 logo to link to this website
• Use the LaTeX or expl3 logo in blog posts or news article when talking about LaTeX, LaTeX3 or expl3
• Use the produced-by-LaTeX logo in your work to indicate that it was produced using this software
• Use the term "The LaTeX Team" or "The LaTeX Project Team" when referring to us, i.e. the group that maintains and develops the core LaTeX software
• Use the term "The LaTeX Project" when referring to the project of maintaining and developing the core LaTeX software including expl3 and LaTeX3

Please don’t do these things

• Use the LaTeX logos to represent your work, e.g., for your application’s icon, website, etc.
• Create any modified versions of the LaTeX logos
• Integrate any of the LaTeX logos into your own logo (without explicit permission)
• Use any LaTeX logo artwork without permission
• Sell any LaTeX logo artwork without permission
• Change the colors or dimensions of, or add your own text/images to, any LaTeX logo

Please avoid misrepresentation ...

• Please avoid when naming or describing your projects or products anything that implies endorsement by The LaTeX Team unless we have explicitly authorized this
• In particular, please refrain from using the term "The LaTeX Team" or the LaTeX logos except when you are referring directly to us or to the software produced by us
• Other usages are likely to imply that your product is in some way directly or indirectly related to us

Please contact us if ...

• you want to use these images for a purpose not listed, or listed as undesirable, on this page
• you want to base your own logo on these images

In summary

In short, the LaTeX logos (with the hummingbird or the head of the hummingbird) represent only the work by "The LaTeX Team" and should not be used to represent your products, organisation or services.