Using ©, ®, and ™ Correctly: Legal Boundaries, Unicode, and HTML

©, ®, and ™ are different characters that communicate different claims. Identify the right, jurisdiction, and evidence before choosing a symbol; an input method cannot replace a legal determination. This is a pre-publication verification workflow, not legal advice.

1. Decide first: symbol and evidence

Symbol	Usual message	Minimum check before publication	What the symbol cannot prove by itself
©	Copyright notice	The work, owner, first-publication year, and other facts are accurate; the format fits the target jurisdiction	Registration, ownership, or chain of permission
™	The user claims a sign as a trademark	The claim or use is genuine; it does not impersonate another party's rights; the target jurisdiction permits the statement	An application, acceptance of an application, grant of rights, or registration
®	Registered-trademark notice	An official record shows a live registration for the mark, owner, jurisdiction, and relevant goods or services	Expansion of one registration to every territory or category

Similar-looking symbols do not have the same legal effect. Trademark rights are territorial, and rules, exceptions, and remedies differ by jurisdiction. Check every target market for a cross-border page.

2. ©: a copyright notice, not proof of registration

© is U+00A9 COPYRIGHT SIGN. As one jurisdiction-specific example, the U.S. Copyright Office describes a notice for visually perceptible copies as generally containing © (or Copyright/Copr.), the year of first publication, and the copyright owner's name. Different works, dates, and jurisdictions may have different rules. Do not automatically replace the year with the current year unless that accurately represents the work's publication history.

Under the Berne Convention framework, copyright protection is generally not conditional on formalities. A © notice can communicate information, but it does not create copyright from nothing or independently prove registration, authorship, ownership, or license scope. Verify the permission chain before publishing someone else's work; adding © cannot repair missing authorization.

3. ™: a trademark claim, not an application status

™ is U+2122 TRADE MARK SIGN. It commonly signals that the user claims the adjacent name, sign, or design as a trademark. It is not an application number, acceptance notice, approval, or grant of rights.

The USPTO states that, in the United States, TM may be used for goods even if no federal registration application has been filed; SM is commonly used for services. That is an example of a U.S. rule, not a universal rule. Other jurisdictions may treat unregistered marks, misleading statements, and the scope of rights differently.

4. ®: use only within a verified registration

® is U+00AE REGISTERED SIGN. Do not use it merely because an application was filed, examination is pending, an old certificate exists, a domain is owned, or the mark is registered in a different country.

In the United States, for example, the USPTO permits ® only after federal registration and only for the goods or services listed in that registration. Before publication, verify the mark, registrant, jurisdiction, goods or services, current status, and any lapse or cancellation in the appropriate official register. Uses outside the registered scope require a separate decision.

5. China context: correcting the old claim

The 2011 source claimed that using ™ in China meant an application had been filed and a Notice of Acceptance received. This maintained edition does not carry that claim forward: current official authority does not define ™ as proof of acceptance or registration. Article 9 of China's Trademark Law says that a trademark registrant has the right to indicate “registered trademark” or use a registration symbol; that does not imply that ™ means an application was accepted.

To state an application or registration status for the China market, check current CNIPA records and documents and distinguish applicant, registrant, acceptance, examination, publication, opposition, approval, and live status. Never infer the procedural state from a symbol alone.

6. Unicode and HTML: identify the character

Character	Unicode code point	Named HTML character reference	Decimal reference	Hexadecimal reference
©	U+00A9	`©`	`©`	`©`
®	U+00AE	`®`	`®`	`®`
™	U+2122	`™`	`™`	`™`

Literal characters are usually clearest when the page and HTTP response correctly declare UTF-8. Character references are useful in constrained templates or ASCII-only source. End both named and numeric references with a semicolon. Fonts may change the glyph shape, but not the code point.

7. Minimal complete HTML example

This is a UTF-8 page. It demonstrates a fact-checked copyright notice and a trademark claim that does not assert registration. Replace the sample name and year with real, accurate information.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Rights notices</title>
</head>
<body>
  <footer>
    <p>Copyright © 2026 Example Publisher.</p>
    <p>Example Brand™ — used here as a trademark claim; registration is not asserted.</p>
  </footer>
</body>
</html>

After completing the registration check in section 4, wording like the following may be used within the verified scope. The brackets mark content that must be replaced and reviewed; do not publish it unchanged.

<p>[Verified registered mark]&reg; — registered in [jurisdiction] for [listed goods/services].</p>

8. Literal characters and character references

These four lines produce the same three Unicode characters in HTML text:

<p>Literal UTF-8: © ® ™</p>
<p>Named references: &copy; &reg; &trade;</p>
<p>Decimal references: &#169; &#174; &#8482;</p>
<p>Hexadecimal references: &#xA9; &#xAE; &#x2122;</p>

Do not treat TM as an encoding substitute for ™: it is only two Latin letters. CSS superscript, generated content, or a background image also cannot create trademark status.

9. Accessibility and typography

Keep the symbol as real text so it remains selectable, searchable, copyable, and available in plain text; do not use an image alone.
Expand the meaning near its first or legally important use, for example, “Example Brand™ — used as a trademark claim; registration is not asserted.” Do not assume every screen reader pronounces an isolated symbol consistently.
Do not communicate registration status by color, size, or superscript position alone. If a symbol is reduced, keep it legible and test zoom, forced colors, print, and copy and paste.
A visual brand guide controls appearance; it cannot replace a register check, license, or jurisdiction analysis.

10. Reproducible character check

This Python standard-library check verifies named-reference decoding and code points. It makes no legal determination:

from html import unescape

cases = [
    ("&copy;", "©", "U+00A9"),
    ("&reg;", "®", "U+00AE"),
    ("&trade;", "™", "U+2122"),
]

for reference, character, code_point in cases:
    assert unescape(reference) == character
    assert f"U+{ord(character):04X}" == code_point

print("character references and code points: PASS")

Then submit the complete page to the W3C Nu HTML Checker and test at least one desktop browser, one mobile browser, plain-text copying, and the assistive technology you support. A validator checks markup, not rights.

11. Publication workflow

Inventory each work, brand sign, owner, and page use; do not combine copyright and trademark in one field.
Add a check for every target country or region; one country's record cannot settle a global page.
Preserve dated evidence: official record URL, registration number, owner, goods or services, status, and query date. Keep internal legal advice and personal data out of public source.
Choose ©, ™, ®, or no symbol from that evidence; pending is not registered.
Enter a literal UTF-8 character or a semicolon-terminated HTML reference, not an image or CSS-generated substitute.
Review accessible text, brand consistency, mobile, print, copy and paste, and HTML validation.
Set review dates for renewal, cancellation, assignment, license termination, and content changes; remove or revise a symbol when status changes.

12. Stop and escalate

Stop automated publication and ask a qualified intellectual-property lawyer in the target jurisdiction or the responsible rights owner to review when:

the official record does not exactly match the proposed mark, owner, jurisdiction, or goods or services;
an application is pending or refused, or a registration may be expired, cancelled, invalid, or under assignment;
a cross-border campaign, disputed license chain, joint authorship, work made for hire, collective mark, or certification mark is involved;
the page compares, refers to, parodies, advertises against, or resells another party's mark;
a warning letter, takedown notice, infringement allegation, or damages claim is being prepared.

13. Pre-publication checklist

[ ] Copyright notice, unregistered trademark claim, and registered-trademark notice are distinguished.
[ ] The © owner and year come from facts about the work, not an automatic template.
[ ] ™ is not described as proof of filing, acceptance, or grant.
[ ] A current official record supports ®, and the mark, owner, jurisdiction, and goods or services match.
[ ] A conclusion for one jurisdiction is not presented as global.
[ ] The page, HTTP response, and saved file consistently use UTF-8.
[ ] References end with semicolons and resolve to U+00A9, U+00AE, and U+2122.
[ ] Symbols are accessible text, not information available only in an image or CSS.
[ ] HTML, visual display, copy and paste, and assistive technology have been tested.
[ ] Uncertain or high-risk cases have been stopped and escalated.

14. Official sources

Sources checked on 2026-09-01. Official records and laws can change; query them again at publication time.

15. Original 2011 archive (provenance only)

The fenced block preserves the complete visible source_export body verbatim, except that one trailing ASCII space was removed from the original  line. It has not been rewritten or legally corrected. This is historical material, not current guidance; it contains incorrect or obsolete claims, an invalid character reference, HTML/CSS fragments, and old software paths. No private, credential, referral, or tracking value required redaction.

~~~~markdown

Table of Contents

Toggle

HTML中

其它

概述

©代表Copyright（版权所有）
®代表Register（己注册）
™代表TradeMark（商标）

详细

®，是“注册商标”的标记，意思是该商标已在国家商标局进行注册申请并已经商标局审查通过，成为注册商标。圆圈里的R是英文register注册的开头字母。

注册商标具有排他性、独占性、唯一性等特点，属于注册商标所有人所独占，受法律保护，任何企业或个人未经注册商标所有权人许可或授权，均不可自行使用，否则将承担侵权责任。

在中国，商标上的™也有其特殊含义，其实™标志并非对商标起到保护作用，它与®不同，™表示的是该商标已经向国家商标局提出申请，并且国家商标局也已经下发了《受理通知书》，进入了异议期，这样就可以防止其他人提出重复申请，也表示现有商标持有人有优先使用权。

用™则是商标符号的意思，即标注™的文字、图形或符号是商标，但不一定已经注册（未经注册的不受法律保护）。

TM是英文trademark的缩写

输入

HTML中

©

®

™

&#8482

(注意：如果使用这一种方法，网页编码最好默认西欧文字，否则对部分浏览器可能无效。)

或者

TM

或者

//在CSS中定义上标好了

.textSuper{

font-size: 8px;

vertical-align:super

}

//调用的时候

TM

或者

在“Dreamweaver“中就在“插入面版 => 字符 =>™”

其它

a、使用图片