---
title: BSD-2-Clause Plus Patent License
spdx-id: BSD-2-Clause-Patent

description: "This license is designed to provide: a) a simple permissive license; b) that is compatible with the GNU GPL-2.0; and c) which also has an express patent grant included."

how: Create a text file (typically named LICENSE or LICENSE.txt) in the root of your source code and copy the text of the license into the file. Replace [year] with the current year and [fullname] with the name (or names) of the copyright holders.

using:
  Manubot: https://github.com/manubot/manubot/blob/main/LICENSE.md
  obonet: https://github.com/dhimmel/obonet/blob/main/LICENSE.md
  Preprint Similarity Search: https://github.com/greenelab/preprint-similarity-search/blob/master/LICENSE.md

permissions:
  - commercial-use
  - modifications
  - distribution
  - patent-use
  - private-use

conditions:
  - include-copyright

limitations:
  - liability
  - warranty

---

Copyright (c) [year] [fullname]

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.

Subject to the terms and conditions of this license, each copyright holder
and contributor hereby grants to those receiving rights under this license
a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except for failure to satisfy the conditions of this license) patent license
to make, have made, use, offer to sell, sell, import, and otherwise transfer
this software, where such license applies only to those patent claims, already
acquired or hereafter acquired, licensable by such copyright holder or
contributor that are necessarily infringed by:

(a) their Contribution(s) (the licensed copyrights of copyright holders and
non-copyrightable additions of contributors, in source or binary form) alone;
or

(b) combination of their Contribution(s) with the work of authorship to which
such Contribution(s) was added by such copyright holder or contributor, if,
at the time the Contribution is added, such addition causes such combination
to be necessarily infringed. The patent license shall not apply to any other
combinations which include the Contribution.

Except as expressly stated above, no rights or licenses from any copyright
holder or contributor is granted under this license, whether expressly, by
implication, estoppel or otherwise.

DISCLAIMER

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
