Almost anything that identifies your brand can be trademarked.
Word Mark
Brand name, product name, company name, or any unique word/s that identify your business.
Logo / Symbol
Unique logo, design, symbol, or graphic that represents your brand visually.
Slogan / Tagline
Catchy phrase, tagline, or slogan associated with your brand or products.
Sound Mark
Unique musical jingle or sound that identifies your brand (e.g., Nokia tune).
3D Mark
Unique product shape, packaging, or 3D design that identifies your brand.
Color Mark
Specific color or combination of colors uniquely associated with your brand.