1*4882a593SmuzhiyunCERN Open Hardware Licence Version 2 - Permissive 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunPreamble 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunCERN has developed this licence to promote collaboration among 7*4882a593Smuzhiyunhardware designers and to provide a legal tool which supports the 8*4882a593Smuzhiyunfreedom to use, study, modify, share and distribute hardware designs 9*4882a593Smuzhiyunand products based on those designs. Version 2 of the CERN Open 10*4882a593SmuzhiyunHardware Licence comes in three variants: this licence, CERN-OHL-P 11*4882a593Smuzhiyun(permissive); and two reciprocal licences: CERN- OHL-W (weakly 12*4882a593Smuzhiyunreciprocal) and CERN-OHL-S (strongly reciprocal). 13*4882a593Smuzhiyun 14*4882a593SmuzhiyunThe CERN-OHL-P is copyright CERN 2020. Anyone is welcome to use it, in 15*4882a593Smuzhiyununmodified form only. 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunUse of this Licence does not imply any endorsement by CERN of any 18*4882a593SmuzhiyunLicensor or their designs nor does it imply any involvement by CERN in 19*4882a593Smuzhiyuntheir development. 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun1 Definitions 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun 1.1 'Licence' means this CERN-OHL-P. 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun 1.2 'Source' means information such as design materials or digital 27*4882a593Smuzhiyun code which can be applied to Make or test a Product or to 28*4882a593Smuzhiyun prepare a Product for use, Conveyance or sale, regardless of its 29*4882a593Smuzhiyun medium or how it is expressed. It may include Notices. 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun 1.3 'Covered Source' means Source that is explicitly made available 32*4882a593Smuzhiyun under this Licence. 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun 1.4 'Product' means any device, component, work or physical object, 35*4882a593Smuzhiyun whether in finished or intermediate form, arising from the use, 36*4882a593Smuzhiyun application or processing of Covered Source. 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun 1.5 'Make' means to create or configure something, whether by 39*4882a593Smuzhiyun manufacture, assembly, compiling, loading or applying Covered 40*4882a593Smuzhiyun Source or another Product or otherwise. 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun 1.6 'Notice' means copyright, acknowledgement and trademark notices, 43*4882a593Smuzhiyun references to the location of any Notices, modification notices 44*4882a593Smuzhiyun (subsection 3.3(b)) and all notices that refer to this Licence 45*4882a593Smuzhiyun and to the disclaimer of warranties that are included in the 46*4882a593Smuzhiyun Covered Source. 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun 1.7 'Licensee' or 'You' means any person exercising rights under 49*4882a593Smuzhiyun this Licence. 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun 1.8 'Licensor' means a person who creates Source or modifies Covered 52*4882a593Smuzhiyun Source and subsequently Conveys the resulting Covered Source 53*4882a593Smuzhiyun under the terms and conditions of this Licence. A person may be 54*4882a593Smuzhiyun a Licensee and a Licensor at the same time. 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun 1.9 'Convey' means to communicate to the public or distribute. 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun2 Applicability 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun 2.1 This Licence governs the use, copying, modification, Conveying 62*4882a593Smuzhiyun of Covered Source and Products, and the Making of Products. By 63*4882a593Smuzhiyun exercising any right granted under this Licence, You irrevocably 64*4882a593Smuzhiyun accept these terms and conditions. 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun 2.2 This Licence is granted by the Licensor directly to You, and 67*4882a593Smuzhiyun shall apply worldwide and without limitation in time. 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun 2.3 You shall not attempt to restrict by contract or otherwise the 70*4882a593Smuzhiyun rights granted under this Licence to other Licensees. 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun 2.4 This Licence is not intended to restrict fair use, fair dealing, 73*4882a593Smuzhiyun or any other similar right. 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun3 Copying, modifying and Conveying Covered Source 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun 3.1 You may copy and Convey verbatim copies of Covered Source, in 79*4882a593Smuzhiyun any medium, provided You retain all Notices. 80*4882a593Smuzhiyun 81*4882a593Smuzhiyun 3.2 You may modify Covered Source, other than Notices. 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun You may only delete Notices if they are no longer applicable to 84*4882a593Smuzhiyun the corresponding Covered Source as modified by You and You may 85*4882a593Smuzhiyun add additional Notices applicable to Your modifications. 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun 3.3 You may Convey modified Covered Source (with the effect that You 88*4882a593Smuzhiyun shall also become a Licensor) provided that You: 89*4882a593Smuzhiyun 90*4882a593Smuzhiyun a) retain Notices as required in subsection 3.2; and 91*4882a593Smuzhiyun 92*4882a593Smuzhiyun b) add a Notice to the modified Covered Source stating that You 93*4882a593Smuzhiyun have modified it, with the date and brief description of how 94*4882a593Smuzhiyun You have modified it. 95*4882a593Smuzhiyun 96*4882a593Smuzhiyun 3.4 You may Convey Covered Source or modified Covered Source under 97*4882a593Smuzhiyun licence terms which differ from the terms of this Licence 98*4882a593Smuzhiyun provided that: 99*4882a593Smuzhiyun 100*4882a593Smuzhiyun a) You comply at all times with subsection 3.3; and 101*4882a593Smuzhiyun 102*4882a593Smuzhiyun b) You provide a copy of this Licence to anyone to whom You 103*4882a593Smuzhiyun Convey Covered Source or modified Covered Source. 104*4882a593Smuzhiyun 105*4882a593Smuzhiyun 106*4882a593Smuzhiyun4 Making and Conveying Products 107*4882a593Smuzhiyun 108*4882a593SmuzhiyunYou may Make Products, and/or Convey them, provided that You ensure 109*4882a593Smuzhiyunthat the recipient of the Product has access to any Notices applicable 110*4882a593Smuzhiyunto the Product. 111*4882a593Smuzhiyun 112*4882a593Smuzhiyun 113*4882a593Smuzhiyun5 DISCLAIMER AND LIABILITY 114*4882a593Smuzhiyun 115*4882a593Smuzhiyun 5.1 DISCLAIMER OF WARRANTY -- The Covered Source and any Products 116*4882a593Smuzhiyun are provided 'as is' and any express or implied warranties, 117*4882a593Smuzhiyun including, but not limited to, implied warranties of 118*4882a593Smuzhiyun merchantability, of satisfactory quality, non-infringement of 119*4882a593Smuzhiyun third party rights, and fitness for a particular purpose or use 120*4882a593Smuzhiyun are disclaimed in respect of any Source or Product to the 121*4882a593Smuzhiyun maximum extent permitted by law. The Licensor makes no 122*4882a593Smuzhiyun representation that any Source or Product does not or will not 123*4882a593Smuzhiyun infringe any patent, copyright, trade secret or other 124*4882a593Smuzhiyun proprietary right. The entire risk as to the use, quality, and 125*4882a593Smuzhiyun performance of any Source or Product shall be with You and not 126*4882a593Smuzhiyun the Licensor. This disclaimer of warranty is an essential part 127*4882a593Smuzhiyun of this Licence and a condition for the grant of any rights 128*4882a593Smuzhiyun granted under this Licence. 129*4882a593Smuzhiyun 130*4882a593Smuzhiyun 5.2 EXCLUSION AND LIMITATION OF LIABILITY -- The Licensor shall, to 131*4882a593Smuzhiyun the maximum extent permitted by law, have no liability for 132*4882a593Smuzhiyun direct, indirect, special, incidental, consequential, exemplary, 133*4882a593Smuzhiyun punitive or other damages of any character including, without 134*4882a593Smuzhiyun limitation, procurement of substitute goods or services, loss of 135*4882a593Smuzhiyun use, data or profits, or business interruption, however caused 136*4882a593Smuzhiyun and on any theory of contract, warranty, tort (including 137*4882a593Smuzhiyun negligence), product liability or otherwise, arising in any way 138*4882a593Smuzhiyun in relation to the Covered Source, modified Covered Source 139*4882a593Smuzhiyun and/or the Making or Conveyance of a Product, even if advised of 140*4882a593Smuzhiyun the possibility of such damages, and You shall hold the 141*4882a593Smuzhiyun Licensor(s) free and harmless from any liability, costs, 142*4882a593Smuzhiyun damages, fees and expenses, including claims by third parties, 143*4882a593Smuzhiyun in relation to such use. 144*4882a593Smuzhiyun 145*4882a593Smuzhiyun 146*4882a593Smuzhiyun6 Patents 147*4882a593Smuzhiyun 148*4882a593Smuzhiyun 6.1 Subject to the terms and conditions of this Licence, each 149*4882a593Smuzhiyun Licensor hereby grants to You a perpetual, worldwide, 150*4882a593Smuzhiyun non-exclusive, no-charge, royalty-free, irrevocable (except as 151*4882a593Smuzhiyun stated in this section 6, or where terminated by the Licensor 152*4882a593Smuzhiyun for cause) patent license to Make, have Made, use, offer to 153*4882a593Smuzhiyun sell, sell, import, and otherwise transfer the Covered Source 154*4882a593Smuzhiyun and Products, where such licence applies only to those patent 155*4882a593Smuzhiyun claims licensable by such Licensor that are necessarily 156*4882a593Smuzhiyun infringed by exercising rights under the Covered Source as 157*4882a593Smuzhiyun Conveyed by that Licensor. 158*4882a593Smuzhiyun 159*4882a593Smuzhiyun 6.2 If You institute patent litigation against any entity (including 160*4882a593Smuzhiyun a cross-claim or counterclaim in a lawsuit) alleging that the 161*4882a593Smuzhiyun Covered Source or a Product constitutes direct or contributory 162*4882a593Smuzhiyun patent infringement, or You seek any declaration that a patent 163*4882a593Smuzhiyun licensed to You under this Licence is invalid or unenforceable 164*4882a593Smuzhiyun then any rights granted to You under this Licence shall 165*4882a593Smuzhiyun terminate as of the date such process is initiated. 166*4882a593Smuzhiyun 167*4882a593Smuzhiyun 168*4882a593Smuzhiyun7 General 169*4882a593Smuzhiyun 170*4882a593Smuzhiyun 7.1 If any provisions of this Licence are or subsequently become 171*4882a593Smuzhiyun invalid or unenforceable for any reason, the remaining 172*4882a593Smuzhiyun provisions shall remain effective. 173*4882a593Smuzhiyun 174*4882a593Smuzhiyun 7.2 You shall not use any of the name (including acronyms and 175*4882a593Smuzhiyun abbreviations), image, or logo by which the Licensor or CERN is 176*4882a593Smuzhiyun known, except where needed to comply with section 3, or where 177*4882a593Smuzhiyun the use is otherwise allowed by law. Any such permitted use 178*4882a593Smuzhiyun shall be factual and shall not be made so as to suggest any kind 179*4882a593Smuzhiyun of endorsement or implication of involvement by the Licensor or 180*4882a593Smuzhiyun its personnel. 181*4882a593Smuzhiyun 182*4882a593Smuzhiyun 7.3 CERN may publish updated versions and variants of this Licence 183*4882a593Smuzhiyun which it considers to be in the spirit of this version, but may 184*4882a593Smuzhiyun differ in detail to address new problems or concerns. New 185*4882a593Smuzhiyun versions will be published with a unique version number and a 186*4882a593Smuzhiyun variant identifier specifying the variant. If the Licensor has 187*4882a593Smuzhiyun specified that a given variant applies to the Covered Source 188*4882a593Smuzhiyun without specifying a version, You may treat that Covered Source 189*4882a593Smuzhiyun as being released under any version of the CERN-OHL with that 190*4882a593Smuzhiyun variant. If no variant is specified, the Covered Source shall be 191*4882a593Smuzhiyun treated as being released under CERN-OHL-S. The Licensor may 192*4882a593Smuzhiyun also specify that the Covered Source is subject to a specific 193*4882a593Smuzhiyun version of the CERN-OHL or any later version in which case You 194*4882a593Smuzhiyun may apply this or any later version of CERN-OHL with the same 195*4882a593Smuzhiyun variant identifier published by CERN. 196*4882a593Smuzhiyun 197*4882a593Smuzhiyun 7.4 This Licence shall not be enforceable except by a Licensor 198*4882a593Smuzhiyun acting as such, and third party beneficiary rights are 199*4882a593Smuzhiyun specifically excluded. 200