Well-known genericide examples include aspirin, escalator, thermos, cellophane, linoleum, yo-yo, zipper, trampoline, laundromat and dry ice. Each began as one company's brand and became the everyday name for a product in at least one country, which cost the owner some or all of its trademark rights there. Below is what happened and how a Nepali brand avoids it.

Key takeaways

  • Genericide means a brand name becomes the common name for a type of product, so it no longer tells buyers who made it.
  • Most famous cases were decided in one country, usually the United States. Several of the same words are still registered trademarks elsewhere.
  • Popularity alone does not cause genericide. The risk grows when the owner, sellers and the press use the brand as a noun or verb.
  • In Nepal, trademark rights come from registration at the Department of Industry (DoI), and Nepal is first-to-file.
  • A plain product word beside your brand, one consistent spelling and dated proof of use are the cheapest protection you have.

What is trademark genericide?

Trademark genericide is what happens when the public stops hearing a brand name as a brand. Instead of meaning "the flask made by one company", the word comes to mean "any flask of that kind".

At that point the word no longer does the job a trademark exists to do. Nepal's Patent, Design and Trade Mark Act 1965 defines a trademark in Sec. 2(c) as a word, symbol or picture, or a combination, used to distinguish one business's goods or services from others.

A word that names a whole product category distinguishes nobody. That is the idea behind genericide, even though the Act itself never uses the word.

What is the difference between a generic word and a brand?

A generic term is the ordinary name of a product, such as "tea", "rice" or "momo". Every trader needs it and every trader can use it.

A distinctive mark points to one source. Genericide is the slow slide of a word from the second group into the first.

How a brand name becomes a generic wordFour steps: a brand launches a new kind of product; buyers use the brand as the product's name; the owner and rivals use it that way too; the word stops pointing to one maker.How a brand name becomes a generic word1A new productgets a brandNo simpleeveryday nameexists yet2Buyers use thebrand as a noun“Pass me thethermos”3Owner and rivalsdo the sameAds, sellersand news copythe habit4The name nolonger pointsto one makerRights can belost in thatmarket
Genericide happens in stages. Each stage is easier to stop than the next, and the owner's own habits matter at every one.

Which 10 trademarks became everyday words?

These ten are among the most cited genericide examples. The details come from widely published histories of each brand. The legal outcome was usually decided in a single country, so read each row as "generic there", not "generic everywhere".

WordBegan asWhat is documented
AspirinA Bayer brand for a pain medicineDeclared generic in the US; still a Bayer trademark in many countries, including Canada
EscalatorAn Otis Elevator Company markA registered trademark in the US until 1950
ThermosA brand of vacuum flaskTreated as a generic word for vacuum flasks in the US since 1963
CellophaneA brand of clear wrapping filmGeneric in the US; still a registered trademark in Europe
LinoleumA floor-covering brandRuled generic after an 1878 infringement case, often called the first genericide
Yo-yoA toy brandA US ruling found the mark should not have been granted; reportedly still protected in Canada
ZipperA B.F. Goodrich mark for rubber bootsNow the ordinary word for a slide fastener
TrampolineA mark of the Griswold-Nissen companyNow the ordinary word for the apparatus
LaundromatA Westinghouse mark in the 1940s and 1950sThe mark has expired
Dry iceA 1925 mark of the Dry Ice Corporation of AmericaNow the common name for solid carbon dioxide

Many of these products were new kinds of thing with no simple name, so buyers used the brand.

Why are aspirin and cellophane still trademarks in some countries?

Because trademark rights are national. A court or registry in one country decides what buyers there understand, based on evidence from that market.

Aspirin was declared generic in the United States but remains a Bayer trademark in many countries. Cellophane is generic in the US and still registered in Europe.

Where the ten genericide examples standA two by two grid sorting the ten examples: generic in the US but still a mark elsewhere; lost long ago; lapsed or expired; now a common word.Where the ten genericide examples standGeneric in the US onlyAspirin, Cellophane, Yo-yoStill marks in someother countriesLost long agoLinoleum after an 1878 caseEscalator by 1950Both in common useMark lapsed or expiredLaundromat, a Westinghousemark in the 1940s and 50shas expiredNow an ordinary wordZipper, Trampoline, Dry iceThermos in the USStarted as brands
The status of each word differs by country. A word that is generic in the US can still be a registered trademark in Canada or Europe.

Why do brands become generic?

It is rarely one event. It is usually a long habit shared by buyers, sellers and the owner.

No product word exists. When a product is new, people reach for the only name they know, which is the brand.

The owner uses the brand as a noun. Adverts that say "buy a Thermos" rather than "buy a Thermos flask" teach buyers the wrong lesson.

Rivals are allowed to copy the word. If competitors describe their own goods with your brand and nobody objects, the public stops linking it to you.

The press and dictionaries follow. Once a word appears in lower case in news stories and word lists, it is hard to pull back.

Which well-known brands are at risk today?

Some brands are used as everyday words yet remain registered trademarks. Google is used as a verb. Xerox is used to mean "photocopy" in several countries. Kleenex, Band-Aid and Velcro are often used for any tissue, plaster or hook-and-loop fastener.

Owners in that position pair the brand with a product word, publish guidance on correct use, and object when a competitor uses the brand as a product name. The same habits protect a small business.

Can a trademark become generic in Nepal?

Nepal's Act has no separate genericide rule, and the research we rely on records no Nepali decision cancelling a mark on that ground. Whether a particular registration could be challenged as generic depends on the evidence, so ask a lawyer about a real case.

A foreign ruling that a word is generic does not decide its status in Nepal. The Nepali register does, and the DoI examines every application under Nepali law.

What does Nepal's Act say that matters here?

Title to a trademark comes from registration with the DoI under Sec. 16. A mark that is famous abroad has no rights in Nepal until it is registered here.

Under Sec. 18, the DoI can refuse a mark that is already registered to someone else or that may undermine the reputation of another person's trademark. A registered mark not put into use within one year of registration may be cancelled under Sec. 18C.

Presenting an unregistered mark as registered is not allowed under Sec. 18B, so use ® only once you hold a Nepali registration certificate. The Act's official text is on the Nepal Law Commission website.

How can you check whether a word is already a trademark in Nepal?

Search before you print anything. Our free trademark search covers the 71,500+ trademarks published in DoI bulletins. It shows published marks, not registration status, so a clear result is a first check, not clearance.

The trademark conflict checker looks for similar-sounding marks, and the goods and services search shows what others have claimed. For a written opinion, use our trademark search service.

How do you stop your brand from becoming generic?

These steps cost little and build useful evidence:

  1. Choose a distinctive name. An invented word is stronger than a description. Our AI brand name generator can help you brainstorm.
  2. Register it at the DoI. Nepal is first-to-file, so the earliest complete application usually wins. See trademark registration.
  3. Always add a product word. Write "Himjal water bottle", never just "a Himjal".
  4. Keep one form. Same spelling, same capital letter, same logo, in Nepali and English material alike.
  5. Brief sellers and agencies. A one-page brand-use guide stops distributors inventing their own wording.
  6. Keep dated proof of use. Invoices, packaging, menus, listings and adverts show how the market sees your name.
Brand use versus generic useTwo columns. Left, generic use that wears a mark down. Right, brand use that keeps it distinctive.Brand use versus generic useWears the mark downUsing the brand as a noun:“buy two Himjals”Using it as a verb:“just himjal it”Plural or lower-case formsNo product word beside itSellers left to invent theirown wordingKeeps it distinctiveBrand as an adjective:“Himjal water bottles”A plain product wordalways nearbySame spelling and capitalletter every timeTM, and ® only onceregistered in NepalA short brand-use guidefor staff and sellers
Small wording habits decide which way a brand drifts. Himjal is a made-up name used only for illustration.

Which NICE classes should your brand be registered in?

Every class you actually trade in. Nepal uses the NICE classification: classes 1–34 are goods and 35–45 are services, and Sec. 18A requires a separate application for each class.

A café that also sells packaged coffee may need two filings. The NICE class finder and the AI NICE classifier suggest likely classes before you file.

Common mistakes

  • Treating the brand as the product name in your own adverts, price lists or website.
  • Registering only the logo when customers mainly say and type the word.
  • Ignoring rivals who describe their goods with your brand, in the hope it helps awareness.
  • Using ® before registration in Nepal, which the Act does not allow.
  • Assuming a foreign registration covers Nepal. Nepal is not part of the Madrid System, so a mark must be filed here directly, usually through a local agent holding a power of attorney.

What does genericide risk look like for a Nepali business?

This is an illustration, not a real case. A Pokhara company launches an insulated steel bottle under the made-up name "Himjal". It is the first of its kind in local shops, so buyers start asking for "a himjal".

The company's own posts say "get your Himjal today" with no product word. Two rival importers then list "steel himjal, 1 litre" online.

It holds a registration in the right class, so it still owns the mark. It changes its posts to "Himjal insulated bottles", sends sellers a short guide, and asks the importers to change their listings. When one refuses, it takes advice on enforcement.

Genericide prevention checklistSix checks: register the mark at the Department of Industry, pair it with a product word, keep one spelling, brief sellers, keep proof of use, and act on misuse.Genericide prevention checklistRegister at the DoI in everyclass you really usePair the brand with aplain product wordKeep one spelling, onecapital, one logoGive sellers and agenciesa brand-use guideKeep dated proof ofhow the mark is usedAct on misuse early andin proportion
None of these steps is costly on its own. Together they give you evidence that buyers see your name as a brand.

What should you do if others use your brand as a generic word?

First check how the word is used. A shop that sells your genuine goods and names them is not the same as a rival that labels its own goods with your brand. A polite correction often works.

If a similar mark appears in the Industrial Property Bulletin, the 90-day opposition window after publication matters. Our opposition and enforcement team can assess the risk and respond in proportion.

How long does registration take and how long does it last?

An unopposed application typically takes about 12–14 months from filing to certificate at the Department of Industry. The smoothest cases finish in 6–8 months.

A registration lasts 7 years and is renewable in further 7-year terms. File within 35 days of expiry; a 6-month late window follows on a fine. The renewal calculator works out your dates, and our renewal service can file for you.

In short

Aspirin, escalator, thermos and the other genericide examples lost their brand meaning in at least one market because everyone, often including the owner, used the brand as the product's name.

In Nepal, register a distinctive mark early at the DoI, always pair it with a product word, keep proof of use, and act early when others misuse it. WIPO's trademarks page covers the basics worldwide.

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Worried your brand name is drifting towards a common word, or want to register it before someone else does? Tell us about your brand and we will explain your options.

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