Only authentic Monteverde products will be warranted. Register your pen here. This warranty does not apply to products (including nibs) which have been lost, altered, broken or damaged by misuse, accident, failure to follow instructions, or improper service or repair by any other than the Monteverde repair department. This warranty does not cover normal wear including scratched, used fountain pen nibs, and refills of any kind. For this warranty to apply, purchase must have been made from YAFA or an authorized dealer and you must have the proof of purchase and/or properly registered your product with Monteverde.