Ertapenem licensed date?

When was ertapenem first licensed (approval date)?

Ertapenem (brand name Invanz) received its first regulatory approval in the United States on December 26, 2001 [1].

Is that the same as the first approval worldwide?

No. The date above is for the U.S. license/approval. If you need the first worldwide approval date (for example, in the EU or another country), tell me which country/agency you mean (FDA, EMA, MHRA, etc.), and I can map the correct “licensed date” for that jurisdiction.

What does “licensed date” usually refer to?

For medicines, “licensed date” commonly means the date the drug received its marketing authorization (approval/licensing) from a regulator, such as the FDA approval date for the initial U.S. product label [1].

Sources:
[1] https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/050571s032lbl.pdf