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US Trademark Classification

Data version: USPTO Trademark ID Manual (Acceptable Identification of Goods and Services), applying the Nice Classification, 13th edition (NCL 13-2026). Official data retrieved on 1 October 2026 and published on this site the same day: 71,543 entries (including 2,932 example entries). Term IDs, classes, English descriptions, status and effective dates follow the USPTO; Chinese terms are J&C reference translations. The "version" shown for each entry is the Nice edition under which it was added or last modified. We synchronise with the USPTO periodically; the next update is planned for January 2027. Translation revision: 13 October 2026. Reviewed Chinese reference notes are available for 6,984 entries; other substantive notes are shown in the official English.

Filing a trademark in the United States? See our guide: Trademark registration in the United States

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Class Item No. Chinese English
01 001-354 甲酸 Formic acid
01 001-353 甲酸盐 Formate
01 001-352 甲醛 Formaldehyde
01 001-35 汽车冷却系统泄漏密封剂 Automobile cooling system leak sealants
01 001-349 防火制剂 Fireproofing preparations
01 001-348 氯化铬 Chromium chloride
01 001-347 铬矾 Chrome alum
01 001-346 氯磺酸 Chlorosulphonic acid
01 001-345 氯丙烯 Chloropropylene
01 001-344 氯丁二烯 Chloroprene
01 001-343 氯硝基苯胺 Chloronitroaniline
01 001-342 氯萘 Chloronaphthalene
01 001-341 氯甲醚 Chloromethyl ether
01 001-340 氯气 Chlorine
01 001-339 氯化酸 Chlorinated acids
01 001-338 氯碱 Chloralkalis
01 001-337 化学磨木浆 Chemiground wood pulp
01 001-336 用于工业和科学的化学品 Chemicals for use in industry and science
01 001-335 化学转化复合肥料 Chemically converted compound fertilizers
01 001-333 用于在半导体晶片上沉积薄膜以制造半导体的化学源材料 Chemical source material for the deposition of thin films upon semiconductor wafers for the manufacture of semiconductors
01 001-332 化学土壤改良剂 Chemical soil conditioners
01 001-329 食品保鲜和保存用化学产品 Chemical products for the fresh-keeping and preserving of food
01 001-328 防止结垢的化学产品 Chemical products for preventing scale
01 001-326 染料增艳用化学产品 Chemical products for brightening dyestuffs
01 001-325 酒精工业用酶制剂 Enzyme preparations for use in the alcohol industry

The information on this page is for general reference and does not constitute legal advice. Laws, fees, deadlines and classifications may change. Please refer to the latest official publications.
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