LPaddress is totally free, in terms of money and purpose.

No registration needed.
No charge to use or publish LPaddress code.

IMPORTANT:

You can NOT change or modify specification of LP-Address.
If there was another code that has exactly same format as LPaddress, the code could means multiple things. To avoid this kind of confusing situation, LPaddress should be used with current specification, and should be used for geographic location only.

LPaddress is CC-by-ND.

LPaddress is based on "LocaPoint Geocoding system" that has following Patents.
- Japanese Patent No. 3885157
- United States Patest No. US 7,903,005 B2

However, the patent holder and inventor of LocaPoint declare that anyone can use LPaddress system for free in terms of money and purpose.

US-Patent of Locapoint will be kept and only be used of right to avoid confusion by excluding other coding system - that has exactly same format as LPaddress - from market, in case of this kind of situation.

LPadress by Naoki Ueda and Locazing Inc is licensed under a Creative Commons Attribution-NoDerivs 3.0 Unported License.
Based on a work at lpaddress.com.