Harley-Davidson once tried to trademark the sound of its own V-twin engine. The effort dragged on for years and became a landmark example of how far non-traditional trademark protection can be pushed — and it's a fitting entry point to Class 12, because vehicle brands protect far more than a name. They protect model names, emblem shapes, sometimes even the sound.
Ford Doesn't Just Own "Ford"
Class 12 covers vehicles and apparatus for locomotion by land, air, or water — automobiles, trucks, motorcycles, bicycles, buses, boats, aircraft — plus the structural parts inside them: engines, transmissions, wheels, tires, brakes, seats, bodywork. What's distinctive about this class isn't the goods list, though; it's how heavily manufacturers layer protection beyond the corporate name. Ford protects "Ford," and separately protects "Mustang," "F-150," "Bronco," and "Explorer" as their own trademark assets. Toyota does the same with Corolla, Camry, and Prius; Tesla with Model S and Cybertruck. Each model name carries real consumer recognition and is a prime target for copycats, so a mobility startup needs to clear and register not just its house name but every model name it plans to launch.
What Doesn't Belong Here
The exclusions catch people off guard because modern vehicles blur so many old boundaries. Automotive electronics — infotainment systems, sensors, navigation hardware — usually sit in Class 9, not Class 12. Power tools and machinery used to build vehicles are Class 7. Vehicle lubricants and fuels are Class 4. Automotive repair services are Class 37. An EV or autonomous-vehicle company is, almost by definition, a multi-class filer: the vehicle is Class 12, the self-driving software and onboard electronics are Class 9, charging or fleet services may be Class 37 or 39, and the companion app is Class 9 or 42. Filing only Class 12 protects the shell and leaves the technology that actually defines a modern vehicle brand exposed.
Beyond the Name: Emblems and Sound
The automotive world is unusually rich in non-traditional trademarks. Manufacturers protect grille and emblem designs as figurative marks — Mercedes and BMW guard theirs through global enforcement networks — and in some cases the distinctive shape of a vehicle or component qualifies as trade dress. Harley-Davidson's engine-sound effort remains the reference case for how far sound-mark protection can realistically go: difficult, contested, but not off the table entirely.
Where a model name sits on the distinctiveness scale affects how easily it clears — invented names register faster than descriptive ones, which is one reason so many model designations are alphanumeric or evocative rather than literal.
Common missteps in this class: filing only the company name and leaving model names unprotected, misclassifying onboard electronics that actually belong in Class 9, forgetting that repair and charging services need Class 37 or 39, and overlooking that a distinctive emblem or vehicle shape can carry its own protection beyond the registered wordmark.
Search registered Class 12 trademarks before you commit to a brand or a model lineup — clearance here means checking both the house name and every model name you intend to use.