Also published to the bitcoin-dev mailing list and Bitcoin tx b4bf94f5c457d080924aa163106d423670373cfe3b10f8ec00742c2234b01b72

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I, Peter Todd, hereby declare myself and all technology companies that I
control as "Defensive" by committing to offer a Defensive Patent License,
version 1.1, for any of my patents either existing or future, to any DPL User.
Neither I nor any companies that I control have any patents at this time.

My contact address is pete@petertodd.org

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Notes

• On the advice of my lawyer, I’m currently offering only a specific version of the DPL. I probably will offer licenses under subsequent versions in the future, but I’d prefer to see how the DPL evolves and whether or not the license stewards behind it prove trustworthy before committing to doing so.

• The language “all technology companies I control” is there to avoid any complications with non-technology companies that I may control in the future, e.g. family real-estate holding companies, and the non-profit caving group I’m a part of. To my knowledge, I only control one company as of writing, the numbered company I do all my consulting through; I consider that company a “technology company”, and thus the above offer applies to it.

• Equally, if by some stroke of luck I do end up in control of any other technology companies - maybe Bill Gate passes away and his blockchain smart-contract will mysteriously gives me control of Microsoft - then the above offer will apply.

Thanks goes to my lawyer, Addison Cameron-Huff, for his advice and work drafting the above statement.