Cover letter

A letter of protection is a document with a guarantee of protection from government or private bodies, see:

• Protection letter (diplomacy) to justify a special legal status of the holder or a group of people
• Protection letter (motor vehicle) as a promise of material or financial help in the event of damage to travelers by car
• Patent as industrial property protection for an invention

See also:

Wiktionary: Schutzbrief  - explanations of meanings, word origins, synonyms, translations

This is a disambiguation page for differentiating between several terms identified with the same word.