# Format licences

One file per supported symbology, recording where the format comes from,
what standard governs it, its patent and trademark position, and the basis
on which this project implements and redistributes it.

**None of these formats imposes any obligation on this project's code.**
The library is MIT licensed in full — see [`../LICENSE`](../LICENSE), whose
appendix carries the consolidated inventory these files expand on.

| Format | File | `[TO VERIFY]` items |
|---|---|---:|
| Aztec Code | [`aztec-code.license`](aztec-code.license) | 2 |
| QR Code | [`qr-code.license`](qr-code.license) | 2 |
| Data Matrix ECC 200 | [`data-matrix.license`](data-matrix.license) | 2 |
| Aztec Rune | [`aztec-rune.license`](aztec-rune.license) | 2 |
| PDF417 | [`pdf417.license`](pdf417.license) | 2 |
| MicroPDF417 | [`micropdf417.license`](micropdf417.license) | 2 |
| Compact PDF417 | [`compact-pdf417.license`](compact-pdf417.license) | 2 |
| EAN-13 | [`ean-13.license`](ean-13.license) | 2 |
| EAN-8 | [`ean-8.license`](ean-8.license) | 2 |
| UPC-A | [`upc-a.license`](upc-a.license) | 2 |
| UPC-E | [`upc-e.license`](upc-e.license) | 2 |
| ISBN (Bookland EAN-13) | [`isbn.license`](isbn.license) | 2 |
| Code 128 | [`code-128.license`](code-128.license) | 2 |
| GS1-128 | [`gs1-128.license`](gs1-128.license) | 2 |
| Code 39 | [`code-39.license`](code-39.license) | 2 |
| Code 93 | [`code-93.license`](code-93.license) | 2 |
| ITF (Interleaved 2 of 5) | [`itf.license`](itf.license) | 2 |
| ITF-14 | [`itf-14.license`](itf-14.license) | 2 |
| Code 25, Industrial 2 of 5 and IATA 2 of 5 | [`code25.license`](code25.license) | 2 |
| Code 2 of 5 Data Logic (China Post) | [`data-logic-2-of-5.license`](data-logic-2-of-5.license) | 2 |
| Facing Identification Mark (FIM) | [`facing-identification-mark.license`](facing-identification-mark.license) | 2 |
| ITF-6 | [`itf-6.license`](itf-6.license) | 4 |
| JAN (Japanese Article Number) | [`jan.license`](jan.license) | 4 |
| Matrix 2 of 5 | [`matrix-2-of-5.license`](matrix-2-of-5.license) | 2 |
| Plessey Code | [`plessey.license`](plessey.license) | 6 |
| Codabar | [`codabar.license`](codabar.license) | 2 |
| Code 11 | [`code-11.license`](code-11.license) | 2 |
| MSI Plessey | [`msi-plessey.license`](msi-plessey.license) | 2 |
| Telepen (Alpha and Numeric) | [`telepen.license`](telepen.license) | 2 |
| Pharmacode | [`pharmacode.license`](pharmacode.license) | 2 |
| Code 32 (Italian Pharmacode) | [`code32.license`](code32.license) | 2 |
| PZN-7 and PZN-8 | [`pzn.license`](pzn.license) | 2 |
| EAN-2 supplement | [`ean-2.license`](ean-2.license) | 2 |
| EAN-5 supplement | [`ean-5.license`](ean-5.license) | 2 |
| Micro QR Code | [`micro-qr.license`](micro-qr.license) | 2 |
| rMQR Code | [`rmqr.license`](rmqr.license) | 2 |
| Frame QR / Sythos Canvas QR profile | [`frameqr.license`](frameqr.license) | 2 |
| GS1 DataBar Omnidirectional / Truncated, Limited, Stacked, Stacked Omnidirectional and Expanded | [`gs1-databar.license`](gs1-databar.license) | 2 |
| MaxiCode | [`maxicode.license`](maxicode.license) | 2 |
| Postal 4-state family (POSTNET, PLANET, RM4SCC, KIX, Australia Post, Japan Post and IMb) | [`postal.license`](postal.license) | 2 |
| Codablock-F | [`codablockf.license`](codablockf.license) | 2 |
| Code 16K | [`code16k.license`](code16k.license) | 2 |
| DotCode | [`dotcode.license`](dotcode.license) | 2 |
| Han Xin Code | [`hanxin.license`](hanxin.license) | 2 |
| GS1 DataBar Composite (bounded profile) | [`gs1-composite.license`](gs1-composite.license) | 2 |

## On the `[TO VERIFY]` markers

They are the point, not a defect. Patent expiry, trademark status and
rights-holder positions are exactly the claims where being confidently
wrong causes harm, so anything not independently confirmed is marked rather
than smoothed over. A file with more markers is being more honest, not less
reliable.

**No trademark search was performed.** Where a file says no mark is known,
that describes the limit of what the author knows, not a finding.

These are engineering assessments, **not legal advice**. If your use is
commercially sensitive, obtain your own legal review.