Nice Classification
Class 4 — Fuels & lubricants
goodsIndustrial oils and greases, fuels, and candles.
Is your brand in Class 4?
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Filing in Class 4
An unusual mix by design — the Nice Classification groups candles and wax here alongside motor oil and fuel because they share a raw-material lineage (petroleum and mineral derivatives), not because they're related products in the marketplace. Candle brands sometimes miss this class entirely because it doesn't read as a candle category at a glance.
The USPTO charges a base application fee of $350 per class under the current fee schedule (as verified on 2026-07-07) — Class 4 is billed the same as every other class. Standard base fee under the 2025 fee schedule, filed via the USPTO Trademark Center. To keep that base fee, use pre-approved wording from the USPTO’s ID Manual to describe your goods rather than a custom description, which triggers a surcharge. See the full USPTO fee schedule for current figures.
In practice, businesses filing in Class 4 often also need Class 1 (Chemicals) and Class 7 (Machinery) — run a search across all of them before filing, not just this one.