[OSM-dev] Legal question about attribution text on smartphone

Stadin, Benjamin Benjamin.Stadin at heidelberg-mobil.com
Sun Apr 23 14:38:52 UTC 2017

Simon, thanks but I'll also want to hear another feedback with somehwat more positive tone.

But since you mention Mapbox: They have their own logo in the lower left + a small info (i) button on the lower right. Tapping that (i) open a action sheet with OSM attribution and link. I think it's default, but not sure.

My interpretation about the OSM attribution requirements are that *any* form of link on size constrained devices is ok. I do not need a legal counsel, but ask (also in the legal-osm mailing list) about clarification if this assumption is correct.

If you find this too silly, then let someone else respond who can clarify about what OSM attribution requires and if my assumption is right or not. And who may have the right to adjust such statement on the OSM legal site where this is not exactly clear. It really isn't.

Whatever the legal requirements are - we'll fulfill them. As it stands the requirements aren't clear in this regard.


Von meinem iPad gesendet

Am 23.04.2017 um 16:18 schrieb Simon Poole <simon at poole.ch<mailto:simon at poole.ch>>:

I hope you realize just how patently silly that post was.

But just in case you don't: you get legal advice from the counsel that you have engaged (and typically they will want money for that), you do not get it from a public developers mailing list (it is however the right place to get personal opinions on app design). Not only are there only a small number of people qualified to do so on the list, there are many legal (which you should know as a German company), liability and economic reasons why you will not get anything useful here.

You need to sit down with your counsel and go through your options and the associated risks and then decide what works best. Dealing with customers using your SDK and getting them to attribute the data sources correctly is going to be pain, just ask mapbox.


Am 23.04.2017 um 14:49 schrieb Stadin, Benjamin:
I need a legal advice, not a personal opinion about app design. That we need to show our own logo –we didn’t show it before but showed the OSM attribution text- has a solid legal background, which I won’t go into detail in a public mailing list. That we want to show only one logo on smartphones really has its reason also. We can show both on the iPad and Android tablets. And in our own apps, where we can control content and UI, we credit OSM at multiple places (legal or about page, as well as on the map view itself).


Von: Simon Poole <simon at poole.ch><mailto:simon at poole.ch>
Datum: Sonntag, 23. April 2017 um 13:41
An: "dev at openstreetmap.org"<mailto:dev at openstreetmap.org> <dev at openstreetmap.org><mailto:dev at openstreetmap.org>
Betreff: Re: [OSM-dev] Legal question about attribution text on smartphone

IMHO mobile devs tend to substantially exaggerate the screen real estate scarcity. Two to three sources as text lines is clearly doable, and you don't really need to have separate links on the main screen itself, just show a common attribution screen.

And: -you- control how much you want to show your logo, it is -not- a third party legal requirement, no reason you can't simply live with some text if you believe there is not enough space.


Am 23.04.2017 um 00:26 schrieb Stadin, Benjamin:
It’s not our app, but this is an (indoor) map SDK which can be integrated into other native iOS and Android apps. A list (UIActionSheet on iOS) appears when our logo is tapped, showing multiple links (including a link to www.openstreetmap.org/copyright<http://www.openstreetmap.org/copyright>). Having our logo visible is a legal requirement also, and it wouldn’t be convenient to place the list with multiple legal links not associated to OSM behind the OSM attribution logo or text.

If we need to show two logos it would waste space for navigation controls and building / floor selection UI elements.

Since the map view will be used in other apps, we cannot control what is shown on the splash screen. We can place it there for our own apps, and ask customers of our SDK to place it there. But from experience this is often forgotten, and I’d rather prefer a permanent solution and give credit to OSM one way or another on the map view.


Von: Martin Koppenhoefer <dieterdreist at gmail.com><mailto:dieterdreist at gmail.com>
Datum: Freitag, 21. April 2017 um 12:49
An: Rory McCann <rory at technomancy.org><mailto:rory at technomancy.org>
Cc: "dev at openstreetmap.org"<mailto:dev at openstreetmap.org> <dev at openstreetmap.org><mailto:dev at openstreetmap.org>, "legal-talk at openstreetmap.org"<mailto:legal-talk at openstreetmap.org> <legal-talk at openstreetmap.org><mailto:legal-talk at openstreetmap.org>
Betreff: Re: [OSM-dev] Legal question about attribution text on smartphone

sent from a phone

On 21. Apr 2017, at 12:10, Rory McCann <rory at technomancy.org<mailto:rory at technomancy.org>> wrote:
So I dunno? Maybe? There could be ways around it if you don't want to include it on every map page. Does your app have a loading/spash screen? Including an attribution there, which is shown every time the app is started might meet the requirements.

have you seen this page?

generally, if there is enough space for your logo, there should also be for osm (on pages showing maps). If there's space for just one attribution, why not use it to attribute osm? The user will more likely be aware who you are (as he's using your app) than he will be that your map data comes from osm, so prioritizing OSM attribution seems to make sense



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