All Lamy pens sold in the US carry the following warranty:
Lamy pen warranties its writing instruments for the life of the product**. If repair is required other than from abuse or misuse, then for a small handling and return postage charge of $9.50 per pen, Lamy products will repair, refurbish, and return any Lamy instrument. If other parts have been abused, there will be a special charge. Otherwise, there are no labor or parts charges.
**The Lamy warranty does not cover damage caused by misuse, abuse, unauthorized service and the use of other manufacturers refills or inks.
Customer Service (US): 800-345-6798