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What is PATENTLEFT? What does PATENTLEFT mean? PATENTLEFT meaning, definition & explanation
What is PATENTLEFT? What does PATENTLEFT mean? PATENTLEFT meaning, definition & explanation
Published: 2017/06/17
Channel: The Audiopedia
My left fallopian tube is clear, but my right is blocked. What are my chances of getting pregnant?
My left fallopian tube is clear, but my right is blocked. What are my chances of getting pregnant?
Published: 2014/11/07
Channel: IntermountainMoms
Aortic Valve Replacement Beating Heart
Aortic Valve Replacement Beating Heart
Published: 2017/08/26
Channel: Cardiovascular Surgery Videos
FOSDEM 2017 - Protect your freedom to operate with Open Patents.mp4
FOSDEM 2017 - Protect your freedom to operate with Open Patents.mp4
Published: 2017/09/12
Channel: Info Con
Fallopian Tube Recanalization and Selective Salpingography
Fallopian Tube Recanalization and Selective Salpingography
Published: 2012/11/12
Channel: American Medical Center - American Heart Institute
Pregnancy Program With Blocked Tube - Success Story of Get Pregnant Naturally
Pregnancy Program With Blocked Tube - Success Story of Get Pregnant Naturally
Published: 2015/12/03
Channel: ayşe nur
Opening Blocked Tubes by Laparoscopy
Opening Blocked Tubes by Laparoscopy
Published: 2011/11/09
Channel: Priya Bhave Chittawar
New Best Ways How To Get Pregnant With Only One Tube
New Best Ways How To Get Pregnant With Only One Tube
Published: 2015/05/12
Channel: Acutezmedia.com
Open Patent Licensing for Fun and Profit
Open Patent Licensing for Fun and Profit
Published: 2015/03/12
Channel: LegalHackers
laparoscopic tubal patency dye studyفحص قناة فالوب بالصبغة الزرقاء
laparoscopic tubal patency dye studyفحص قناة فالوب بالصبغة الزرقاء
Published: 2009/12/04
Channel: Osama Badran
Open patent
Open patent
Published: 2016/01/29
Channel: WikiAudio
Hemiplegia Treatment Bobath PNF Stroke Therapy and Physiotherapy Motor relearning
Hemiplegia Treatment Bobath PNF Stroke Therapy and Physiotherapy Motor relearning
Published: 2009/04/05
Channel: VITALIK0
Commons
Commons
Published: 2014/12/03
Channel: Audiopedia
How to Get Pregnant - Even With a Blocked Fallopian Tube
How to Get Pregnant - Even With a Blocked Fallopian Tube
Published: 2011/04/12
Channel: PhilippaCalderonnfvj
Where Was Table Football Invented?
Where Was Table Football Invented?
Published: 2017/09/23
Channel: S AnswerZ
12 146GYN Robotic-assisted Excision of Mullerian Anomaly
12 146GYN Robotic-assisted Excision of Mullerian Anomaly
Published: 2012/10/04
Channel: SocietyLapSurgeons
Post-Stroke Exercises (Part 1: Upper Limb)
Post-Stroke Exercises (Part 1: Upper Limb)
Published: 2011/09/04
Channel: SingHealth
Left persistent superior vena cava & inferior myocardial infarction
Left persistent superior vena cava & inferior myocardial infarction
Published: 2016/07/04
Channel: Julián Vega Adauy
Open patent
Open patent
Published: 2017/07/15
Channel: Search Engine
Patent Ductus Arteriosus (PDA) closure via Left Thoracotomy
Patent Ductus Arteriosus (PDA) closure via Left Thoracotomy
Published: 2013/09/26
Channel: TheHHCF
left persistent superior vena cava
left persistent superior vena cava
Published: 2012/09/19
Channel: Jorge Camuñas
construction equipment operator & construction scheduling software & machine construction
construction equipment operator & construction scheduling software & machine construction
Published: 2015/04/09
Channel: 微X信:cbsy49 发.票找Q:723105101
bilateral tubal block -removed
bilateral tubal block -removed
Published: 2016/01/26
Channel: vikram khot
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Patentleft (also patent left, copyleft-style patent license or open patent) is the practice of licensing patents (especially biological patents) for royalty-free use, on the condition that adopters license related improvements they develop under the same terms. Copyleft-style licensors seek "continuous growth of a universally accessible technology commons" from which they, and others, will benefit.[1][2]

Patentleft is analogous to copyleft, a license which allows distribution of a copyrighted work and derived works, but only under the same terms.

Uses[edit]

The Biological Innovation for Open Society (BiOS) project implemented a patentleft system to encourage re-contribution and collaborative innovation of their technology. BiOS holds a patented technology for transferring genes in plants, and licenses the technology under the terms that, if a license holder improves the gene transfer tool and patents the improvement, then their improvement must be made available to all the other license holders.[3]

The open patent idea is designed to be practiced by consortia of research-oriented companies[4] and increasingly by standards bodies. These also commonly use open trademark methods to ensure some compliance with a suite of compatibility tests, e.g. Java, X/Open both of which forbid use of the mark by the non-compliant.[citation needed]

On October 12, 2001 the Free Software Foundation and Finite State Machine Labs Inc. (FSMLabs) announced a GPL - compliant open-patent license for FSMLabs' software patent, US 5995745 . Titled the Open RTLinux patent license Version 2, it provides for usage of this patent in accordance with the GPL.[5]

Example[edit]

Person A has a patent, and licenses it under a patentleft license.

Person B has two patents in her product and wants to use Person A's patents in that product. Person B also wants to charge royalties for her two patents. She decides to use Person A's patent, but now must license her patents, royalty-free, under the same terms as Person A's patent.

Person C has three patents in his product and wants to use Person B's two patents in that product, but doesn't want to use Person A's patent. Person C also wants to charge royalties for his three patents. He decides to use Person B's patent, but now must license his patents, royalty-free, under the same terms as Person A's patent.

See also[edit]

References[edit]

Further reading[edit]

External links[edit]


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