Software License Agreement¶
The cuQuantum SDK and its Python binding (cuQuantum Python) are released under different licenses.
NVIDIA cuQuantum SDK¶
NVIDIA SOFTWARE LICENSE
(version August 18, 2021)
This license is a legal agreement between you and NVIDIA Corporation ("NVIDIA") and governs your use of the NVIDIA
cuQuantum software and materials provided hereunder (“SOFTWARE”).
This license can be accepted only by an adult of legal age of majority in the country in which the SOFTWARE is used. If you
are under the legal age of majority, you must ask your parent or legal guardian to consent to this license. By taking delivery
of the SOFTWARE, you affirm that you have reached the legal age of majority, you accept the terms of this license, and you
take legal and financial responsibility for the actions of your permitted users.
You agree to use the SOFTWARE only for purposes that are permitted by (a) this license, and (b) any applicable law, regulation
or generally accepted practices or guidelines in the relevant jurisdictions.
1. LICENSE. Subject to the terms of this license, NVIDIA grants you a non-exclusive limited license to: (a) install and use the
SOFTWARE, and (b) distribute the SOFTWARE subject to the distribution requirements described in this license. NVIDIA
reserves all rights, title and interest in and to the SOFTWARE not expressly granted to you under this license.
2. DISTRIBUTION REQUIREMENTS. These are the distribution requirements for you to exercise the distribution grant:
a. The terms under which you distribute the SOFTWARE must be consistent with the terms of this license, including (without
limitation) terms relating to the license grant and license restrictions and protection of NVIDIA’s intellectual property rights.
b. You agree to notify NVIDIA in writing of any known or suspected distribution or use of the SOFTWARE not in compliance
with the requirements of this license, and to enforce the terms of your agreements with respect to distributed SOFTWARE.
3. LIMITATIONS. Your license to use the SOFTWARE is restricted as follows:
a. You may not reverse engineer, decompile or disassemble, or remove copyright or other proprietary notices from any
portion of the SOFTWARE or copies of the SOFTWARE.
b. You may not modify or create derivative works of any portion of the SOFTWARE.
c. You may not bypass, disable, or circumvent any technical measure, encryption, security, digital rights management or
authentication mechanism in the SOFTWARE.
d. You may not use the SOFTWARE in any manner that would cause it to become subject to an open source software license.
As examples, licenses that require as a condition of use, modification, and/or distribution that the SOFTWARE be (i) disclosed
or distributed in source code form; (ii) licensed for the purpose of making derivative works; or (iii) redistributable at no charge.
e. Unless you have an agreement with NVIDIA for this purpose, you may not use the SOFTWARE with any system or
application where the use or failure of the system or application can reasonably be expected to threaten or result in personal
injury, death, or catastrophic loss. Examples include use in avionics, navigation, military, medical, life support or other life
critical applications. NVIDIA does not design, test or manufacture the SOFTWARE for these critical uses and NVIDIA shall not
be liable to you or any third party, in whole or in part, for any claims or damages arising from such uses.
f. You agree to defend, indemnify and hold harmless NVIDIA and its affiliates, and their respective employees, contractors,
agents, officers and directors, from and against any and all claims, damages, obligations, losses, liabilities, costs or debt, fines,
restitutions and expenses (including but not limited to attorney’s fees and costs incident to establishing the right of
indemnification) arising out of or related to use of the SOFTWARE outside of the scope of this Agreement, or not in compliance
with its terms.
4. PRE-RELEASE. SOFTWARE versions identified as alpha, beta, preview, early access or otherwise as pre-release may not be
fully functional, may contain errors or design flaws, and may have reduced or different security, privacy, availability, and
reliability standards relative to commercial versions of NVIDIA software and materials. You may use a pre-release SOFTWARE
version at your own risk, understanding that these versions are not intended for use in production or business-critical
5. OWNERSHIP. The SOFTWARE and the related intellectual property rights therein are and will remain the sole and exclusive
property of NVIDIA or its licensors. The SOFTWARE is copyrighted and protected by the laws of the United States and other
countries, and international treaty provisions. NVIDIA may make changes to the SOFTWARE, at any time without notice, but
is not obligated to support or update the SOFTWARE.
6. COMPONENTS UNDER OTHER LICENSES. The SOFTWARE may include NVIDIA or third-party components with separate legal
notices or terms as may be described in proprietary notices accompanying the SOFTWARE. If and to the extent there is a
conflict between the terms in this license and the license terms associated with a component, the license terms associated
with the components control only to the extent necessary to resolve the conflict.
7. FEEDBACK. You may, but don’t have to, provide to NVIDIA any Feedback. “Feedback” means any suggestions, bug fixes,
enhancements, modifications, feature requests or other feedback regarding the SOFTWARE. For any Feedback that you
voluntarily provide, you hereby grant NVIDIA and its affiliates a perpetual, non-exclusive, worldwide, irrevocable license to
use, reproduce, modify, license, sublicense (through multiple tiers of sublicensees), and distribute (through multiple tiers of
distributors) the Feedback without the payment of any royalties or fees to you. NVIDIA will use Feedback at its choice.
8. NO WARRANTIES. THE SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED WARRANTY OF ANY KIND
INCLUDING, BUT NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT, OR FITNESS FOR A PARTICULAR
PURPOSE. NVIDIA DOES NOT WARRANT THAT THE SOFTWARE WILL MEET YOUR REQUIREMENTS OR THAT THE OPERATION
THEREOF WILL BE UNINTERRUPTED OR ERROR-FREE, OR THAT ALL ERRORS WILL BE CORRECTED.
9. LIMITATIONSOF LIABILITY. TO THE MAXIMUM EXTENT PERMITTED BY LAW, NVIDIA AND ITS AFFILIATES SHALL NOT BE LIABLE
FOR ANY SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL DAMAGES, OR ANY LOST PROFITS, PROJECT DELAYS, LOSS OF
USE, LOSS OF DATA OR LOSS OF GOODWILL, OR THE COSTS OF PROCURING SUBSTITUTE PRODUCTS, ARISING OUT OF OR IN
CONNECTION WITH THIS LICENSE OR THE USE OR PERFORMANCE OF THE SOFTWARE, WHETHER SUCH LIABILITY ARISES FROM
ANY CLAIM BASED UPON BREACH OF CONTRACT, BREACH OF WARRANTY, TORT (INCLUDING NEGLIGENCE), PRODUCT
LIABILITY OR ANY OTHER CAUSE OF ACTION OR THEORY OF LIABILITY, EVEN IF NVIDIA HAS PREVIOUSLY BEEN ADVISED OF,
OR COULD REASONABLY HAVE FORESEEN, THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT WILL NVIDIA’S AND ITS
AFFILIATES TOTAL CUMULATIVE LIABILITY UNDER OR ARISING OUT OF THIS LICENSE EXCEED US$10.00. THE NATURE OF THE
LIABILITY OR THE NUMBER OF CLAIMS OR SUITS SHALL NOT ENLARGE OR EXTEND THIS LIMIT.
10. TERMINATION. Your rights under this license will terminate automatically without notice from NVIDIA if you fail to comply
with any term and condition of this license or if you commence or participate in any legal proceeding against NVIDIA with
respect to the SOFTWARE. NVIDIA may terminate this license with advance written notice to you if NVIDIA decides to no
longer provide the SOFTWARE in a country or, in NVIDIA’s sole discretion, the continued use of it is no longer commercially
viable. Upon any termination of this license, you agree to promptly discontinue use of the SOFTWARE and destroy all copies
in your possession or control. Your prior distributions in accordance with this license are not affected by the termination of
this license. All provisions of this license will survive termination, except for the license granted to you.
11. APPLICABLE LAW. This license will be governed in all respects by the laws of the United States and of the State of Delaware
as those laws are applied to contracts entered into and performed entirely within Delaware by Delaware residents, without
regard to the conflicts of laws principles. The United Nations Convention on Contracts for the International Sale of Goods is
specifically disclaimed. You agree to all terms of this Agreement in the English language. The state or federal courts residing
in Santa Clara County, California shall have exclusive jurisdiction over any dispute or claim arising out of this license.
Notwithstanding this, you agree that NVIDIA shall still be allowed to apply for injunctive remedies or an equivalent type of
urgent legal relief in any jurisdiction.
12. NO ASSIGNMENT. This license and your rights and obligations thereunder may not be assigned by you by any means or
operation of law without NVIDIA’s permission. Any attempted assignment not approved by NVIDIA in writing shall be void
and of no effect.
13. EXPORT. The SOFTWARE is subject to United States export laws and regulations. You agree that you will not ship, transfer
or export the SOFTWARE into any country, or use the SOFTWARE in any manner, prohibited by the United States Bureau of
Industry and Security or economic sanctions regulations administered by the U.S. Department of Treasury’s Office of Foreign
Assets Control (OFAC), or any applicable export laws, restrictions or regulations. These laws include restrictions on
destinations, end users and end use. By accepting this license, you confirm that you are not a resident or citizen of any country
currently embargoed by the U.S. and that you are not otherwise prohibited from receiving the SOFTWARE.
14. GOVERNMENT USE. The SOFTWARE has been developed entirely at private expense and is “commercial items” consisting
of “commercial computer software” and “commercial computer software documentation” provided with RESTRICTED
RIGHTS. Use, duplication or disclosure by the U.S. Government or a U.S. Government subcontractor is subject to the
restrictions in this license pursuant to DFARS 227.7202-3(a) or as set forth in subparagraphs (b)(1) and (2) of the Commercial
Computer Software - Restricted Rights clause at FAR 52.227-19, as applicable. Contractor/manufacturer is NVIDIA, 2788 San
Tomas Expressway, Santa Clara, CA 95051.
15. ENTIRE AGREEMENT. This license is the final, complete and exclusive agreement between the parties relating to the
subject matter of this license and supersedes all prior or contemporaneous understandings and agreements relating to this
subject matter, whether oral or written. If any court of competent jurisdiction determines that any provision of this license is
illegal, invalid or unenforceable, the remaining provisions will remain in full force and effect. This license may only be modified
in a writing signed by an authorized representative of each party.
NVIDIA cuQuantum Python¶
Copyright (c) 2021-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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.
3. Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
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 HOLDER 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.