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New USPTO Trademark Search System


Du Pont Likelihood of Confusion Factors and Knockout Searches

First two (2) du Pont Factors

1) Similarity of the marks

2) Relatedness of the goods and/or services

     A knockout search, at its most basic, would be a simple search looking for Similarity In Appearance with no misspellings or phonetic equivalent searches, no pattern matching, no wildcards, and no truncation. A direct hit.


TMEP is the USPTO’s training manual for trademark Examining Attorneys, a great self-help guide for trademark applicants and attorneys. Here’s some of the information on Similarity.


TMEP 1207.01(b)(ii)    Similarity In Appearance

Similarity in appearance is one factor to consider when comparing the marks. See In re E. I. du Pont de Nemours & Co., 476 F.2d 1357, 1361, 177 USPQ 563, 567 (C.C.P.A. 1973) . Marks may be confusingly similar in appearance despite the addition, deletion, or substitution of letters or words. See, e.g., Weiss Assocs. Inc. v. HRL Assocs. Inc., 902 F.2d 1546, 14 USPQ2d 1840 (Fed. Cir. 1990) (finding TMM confusingly similar to TMS); Canadian Imperial Bank of Commerce v. Wells Fargo Bank, N.A., 811 F.2d 1490, 1 USPQ2d 1813 (Fed. Cir. 1987) (affirming Board’s holding that source confusion is likely where COMMCASH and COMMUNICASH are used in connection with identical banking services); Ava Enters. v. Audio Boss USA, Inc., 77 USPQ2d 1783 (TTAB 2006) (finding AUDIO BSS USA and design similar in appearance to BOSS AUDIO SYSTEMS (stylized)); In re Lamson Oil Co., 6 USPQ2d 1041 (TTAB 1987) (finding TRUCOOL and TURCOOL confusingly similar in appearance); In re Pix of Am., Inc., 225 USPQ 691 (TTAB 1985) (finding NEWPORTS and NEWPORT to be essentially identical in appearance); In re Pellerin Milnor Corp., 221 USPQ 558 (TTAB 1983) (finding MILTRON and MILLTRONICS (stylized) to be highly similar in appearance); In re BASF A.G., 189 USPQ 424 (TTAB 1975) (finding difference between marks LUTEX and LUTEXAL insufficient to avoid source confusion).


     With the new search system, Similarity in Appearance would be the first results in a Search by all that searches for words in trademarks, products, or owners IF the word(s) you type in are really distinctive and not dictionary words commonly used.

     Further down in the list you might see some results that are Similar in Sound and Similar in Meaning.


     A first basic search with no filtering might not be all that useful because it could contain too many results. On the day this paragraph was first written, there were 11,391,383 marks in the USPTO search database that were live or dead LD:true OR LD:false and 4,105,596 that were live LD:true.


     Since a first search would not filter out dead marks, more than half of marks on any given search may be Dead.  (LD is the new search field tag for the Live/dead indicator and true brings up the live marks and false brings up the dead marks.)

     With over 4 million live marks, if your search doesn’t filter out anything, there will be a lot of results to search through.

     Simplistically, the further you look down the results list, the less and less similar the results should be. But, remember that first search Search by all searches for words in trademarks, products, or owners. At this point, you may not care about products ( aka goods) or owners and you may want to filter these out for a shorter list.

          See examples below: Filtering in a basic search and one Expert mode example.


Similarity in Sound-Phonetic Equivalents and Similarity in Meaning are also a part of searching but are generally beyond a knockout search.


TMEP 1207.01(b)(iv)    Similarity in Sound – Phonetic Equivalents

Similarity in sound is one factor in determining whether the marks are confusingly similar. See In re E. I. du Pont de Nemours & Co., 476 F.2d 1357, 1361, 177 USPQ 563, 567 (C.C.P.A. 1973) ; In re White Swan, Ltd., 8 USPQ2d 1534, 1535 (TTAB 1988) . For purposes of the §2(d) analysis, there is no "correct" pronunciation of a mark because it is impossible to predict how the public will pronounce a particular mark; therefore, "correct" pronunciation cannot be relied on to avoid a likelihood of confusion. See, e.g., In re Viterra Inc., 671 F.3d 1358, 1367, 101 USPQ2d 1905, 1912 (Fed. Cir. 2012) (upholding the Board’s affirmance of a Section 2(d) refusal to register XCEED for agricultural seed based on a likelihood of confusion with the registered mark X-SEED and design, SEED disclaimed, for identical goods); Centraz Indus. Inc. v. Spartan Chem. Co. Inc., 77 USPQ2d 1698, 1701 (TTAB 2006) (acknowledging that "there is no correct pronunciation of a trademark" and finding ISHINE (stylized) and ICE SHINE, both for floor finishing preparations, confusingly similar); In re Lamson Oil Co., 6 USPQ2d 1041, 1042 n.3 (TTAB 1987) ("[C]orrect pronunciation as desired by the applicant cannot be relied upon to avoid a likelihood of confusion."); Kabushiki Kaisha Hattori Tokeiten v. Scuotto, 228 USPQ 461 (TTAB 1985) (holding SEYCOS and design for watches, and SEIKO for watches and clocks, likely to cause confusion); In re Great Lakes Canning, Inc., 227 USPQ 483 (TTAB 1985) (holding CAYNA (stylized) for soft drinks, and CANA for, inter alia, canned and frozen fruit and vegetable juices, likely to cause confusion); In re Energy Telecomms. & Elec. Ass’n, 222 USPQ 350 (TTAB 1983) (holding ENTELEC and design for association services relating to telecommunications and other electrical control systems for use in the energy related industries, and INTELECT for promoting, planning, and conducting expositions and exhibitions for the electrical industry, likely to cause confusion); In re Cresco Mfg. Co., 138 USPQ 401 (TTAB 1963) (holding CRESCO and design for leather jackets, and KRESSCO for hosiery, likely to cause confusion).


TMEP 1207.01(b)(v)    Similarity in Meaning

Similarity in meaning or connotation is another factor in determining whether the marks are confusingly similar. See In re E. I. du Pont de Nemours & Co., 476 F.2d 1357, 1361, 177 USPQ 563, 567 (C.C.P.A. 1973) ; In re Cynosure, Inc., 90 USPQ2d 1644, 1645-46 (TTAB 2009) . The focus is on the recollection of the average purchaser who normally retains a general, rather than specific, impression of trademarks. In re Bay State Brewing Co., 117 USPQ2d 1958, 1960 (TTAB 2016) (citing Spoons Rests. Inc. v. Morrison Inc., 23 USPQ2d 1735, 1741 (TTAB 1991), aff’d per curiam, 972 F.2d 1353 (Fed. Cir. 1992)); In re C.H. Hanson Co., 116 USPQ2d 1351, 1353 (TTAB 2015) (citing Joel Gott Wines LLC v. Rehoboth Von Gott Inc., 107 USPQ2d 1424, 1430 (TTAB 2013)); see also San Fernando Elec. Mfg. Co. v. JFD Electronics Components Corp., 565 F.2d 683, 196 USPQ 1, 2-3 (CCPA 1977) ("Obviously, the marks here are constructed of old linguistic elements, but they must be considered as wholes, and not on the basis of side-by-side comparison, and in the light of the fallibility of memory."); Neutrogena Corp. v. Bristol-Myers Co., 410 F.2d 1391, 161 USPQ 687, 688 (CCPA 1969) (many consumers "may have but dim recollections from having previously seen or heard one or the other of the involved marks.").

The meaning or connotation of a mark must be determined in relation to the named goods or services. Even marks that are identical in sound and/or appearance may create sufficiently different commercial impressions when applied to the respective parties’ goods or services so that there is no likelihood of confusion. See, e.g., In re Sears, Roebuck & Co., 2 USPQ2d 1312, 1314 (TTAB 1987) (holding CROSS-OVER for bras and CROSSOVER for ladies’ sportswear not likely to cause confusion, noting that the term "CROSS-OVER" was suggestive of the construction of applicant’s bras, whereas "CROSSOVER," as applied to registrant’s goods, was "likely to be perceived by purchasers either as an entirely arbitrary designation, or as being suggestive of sportswear which "crosses over" the line between informal and more formal wear . . . or the line between two seasons"); In re British Bulldog, Ltd., 224 USPQ 854, 856 (TTAB 1984) (holding PLAYERS for men’s underwear and PLAYERS for shoes not likely to cause confusion, agreeing with applicant's argument that the term "PLAYERS" implies a fit, style, color, and durability suitable for outdoor activities when applied to shoes, but "'implies something else, primarily indoors in nature'" when applied to men’s underwear); In re Sydel Lingerie Co., 197 USPQ 629, 630 (TTAB 1977) (holding BOTTOMS UP for ladies’ and children’s underwear and BOTTOMS UP for men’s clothing not likely to cause confusion, noting that the wording connotes the drinking phrase "Drink Up" when applied to men’s clothing, but does not have this connotation when applied to ladies’ and children’s underwear). Cf. In re i.am.symbolic, llc, 866 F.3d 1315, 123 USPQ2d 1744 (Fed. Cir. 2017) (affirming Board decision holding standard-character mark I AM likely to cause confusion with registered I AM marks and rejecting applicant’s argument that restriction limiting the goods to those "associated with William Adams, professionally known as ‘will.i.am,’" changed the meaning or overall commercial impression of the mark).



        Some goods (aka products) and services have been found by the USPTO and the associated courts to be related to each other.

        The new trademark search engine selection for EXPERT MODE (advanced user) can help your search for relatedness by using Coordinated class. “For a goods or services in a given class, associated classes that contain goods or services that are frequently related. For example, Class 25 (clothing) and Class 14 (jewelry) are coordinated, because many clothing goods and jewelry goods are related.” [from https://beta-tmsearch.uspto.gov/help]

Practically, this means that you could do a knockout search for your trademark for IC 025 clothing and think that you won’t get refused but you may get refused because someone has the same mark (or something similar) for jewelry in IC 014.

See examples below: Filtering in a basic search and some Expert mode examples for looking at relatedness.


TMEP is the USPTO’s training manual for trademark Examining Attorneys, a great self-help guide for trademark applicants and attorneys. Here’s some of the information on Relatedness.


TMEP 1207.01(a)(vi)    Evidence Showing Relatedness of Goods or Services

The examining attorney must provide evidence showing that the goods and services are related to support a finding of likelihood of confusion. See, e.g., In re White Rock Distilleries Inc., 92 USPQ2d 1282, 1285 (TTAB 2009) (finding Office had failed to establish that wine and vodka infused with caffeine are related goods because there was no evidence that vodka and wine emanate from a single source under a single mark or that such goods are complementary products that would be bought and used together). Evidence of relatedness may include news articles and/or evidence from computer databases showing that the relevant goods or services are used together or used by the same purchasers; advertisements showing that the relevant goods or services are advertised together or sold by the same manufacturer or dealer; and/or copies of prior use-based registrations of the same mark for both applicant’s goods or services and the goods or services listed in the cited registration. E.g., In re Ox Paperboard, LLC 2020 USPQ2d 10878, at *5 (TTAB 2020) (citing In re Davia, 110 USPQ2d 1810, 1817 (TTAB 2014); In re Country Oven, Inc., 2019 USPQ2d 443903, at *4-5 (TTAB 2019). See TMEP §1207.01(d)(iii) and cases cited therein regarding the probative value of third-party registrations.

The identification of goods or services in the subject application and in the cited registration(s) may in itself constitute evidence of the relatedness of the goods or services. Hewlett-Packard Co. v. Packard Press Inc., 281 F.3d 1261, 1267, 62 USPQ2d 1001, 1004 (Fed. Cir. 2002) (finding the Board erred in concluding that there was insufficient evidence of relatedness, because it "did not consider the important evidence already before it, namely the ITU application and [opposer’s] registrations").


TMEP 1212.04(c)    Goods or Services Must be "Sufficiently Similar"

The examining attorney must determine whether the goods or services identified in the application are "sufficiently similar" to the goods or services identified in the active prior registration(s) on the Principal Register. See 37 C.F.R. §2.41(a)(1). If the similarity or relatedness is self-evident, the examining attorney may generally accept the §2(f) claim without additional evidence. This is most likely to occur with ordinary consumer goods or services where the nature and function or purpose of the goods or services is commonly known and readily apparent (e.g., a prior registration for hair shampoo and new application for hair conditioner).

If the similarity or relatedness of the goods or services in the application and prior registration(s) is not self-evident, the examining attorney may not accept the §2(f) claim without evidence and an explanation demonstrating the purported similarity or relatedness between the goods or services. This is likely to occur with industrial goods or services where there may in fact be a high degree of similarity or relatedness, but it would not be obvious to someone who is not an expert in the field. See Bausch & Lomb Inc. v. Leupold & Stevens Inc., 6 USPQ2d 1475, 1478 (TTAB 1988) ("Applicant’s almost total reliance on the distinctiveness which its gold ring device has achieved vis-à-vis rifle scopes and handgun scopes is simply not sufficient by itself to establish that the same gold ring device has become distinctive vis-à-vis binoculars and spotting scopes."); In re Best Prods. Co., 231 USPQ 988, 989 n.6 (TTAB 1986) ("[W]e infer in the instant case that the differences between the marks BEST & Des. and BEST JEWELRY & Des., and between the identifications of services in their respective registrations [‘mail order and catalog showroom services’ and ‘retail jewelry store services’], were deemed to be immaterial differences."); In re Owens-Illinois Glass Co., 143 USPQ 431, 432 (TTAB 1964) (holding applicant’s ownership of prior registration of LIBBEY for cut-glass articles acceptable as prima facie evidence of distinctiveness of identical mark for plastic tableware, the Board stated, "Cut-glass and plastic articles of tableware are customarily sold in the same retail outlets, and purchasers of one kind of tableware might well be prospective purchasers of the other."); In re Lytle Eng'g & Mfg. Co., 125 USPQ 308, 309 (TTAB 1960) (holding applicant’s ownership of prior registration of LYTLE for various services, including the planning, preparation, and production of technical publications, acceptable as prima facie evidence of distinctiveness of identical mark for brochures, catalogs, and bulletins).


TMEP 1207.01(a)    Relatedness of the Goods or Services

In assessing the relatedness of the goods or services, the more similar the marks at issue, the less similar the goods or services need to be to support a finding of likelihood of confusion. In re Shell Oil Co., 992 F.2d 1204, 1207, 26 USPQ2d 1687, 1689 (Fed. Cir. 1993); In re House Beer, LLC, 114 USPQ2d 1073, 1077 (TTAB 2015); In re C.H. Hanson Co., 116 USPQ2d 1351, 1353 (TTAB 2015) (citing In re Opus One Inc., 60 USPQ2d 1812, 1815 (TTAB 2001)). If the marks of the respective parties are identical or virtually identical, the relationship between the goods or services need not be as close to support a finding of likelihood of confusion as would be required if there were differences between the marks. In re Country Oven, Inc., 2019 USPQ2d 443903, at *5 (TTAB 2019) ("Where identical marks are involved, . . . the degree of similarity between the goods and services that is required to support a finding of likelihood of confusion declines.") (citing In re i.am.symbolic, llc, 116 USPQ2d 1406, 1411 (TTAB 2011), aff’d, 866 F.3d 1315, 123 USPQ2d 1744 (Fed. Cir. 2017)); In re Shell Oil Co., 992 F.2d at 1207, 26 USPQ2d at 1689 ("even when goods or services are not competitive or intrinsically related, the use of identical marks can lead to the assumption that there is a common source"); In re Davey Prods. Pty Ltd., 92 USPQ2d 1198, 1202 (TTAB 2009).

In some instances, because of established marketing practices, the use of identical marks on seemingly unrelated goods or services could result in a likelihood of confusion. See In re Sloppy Joe’s Int’l, Inc., 43 USPQ2d 1350, 1356 (TTAB 1997) ("[T]he licensing of the names and/or likenesses of well known persons for use on various goods and services is a common practice."); In re Phillips-Van Heusen Corp., 228 USPQ 949, 951 (TTAB 1986) ("The licensing of commercial trademarks for use on ‘collateral’ products (such as clothing, glassware, linens, etc.), that are unrelated in nature to those goods or services on which the marks are normally used, has become a common practice in recent years.").









Basic Trademark Search by all:

Enter a term(s) and click on the blue search button (red pin) on the right. You can filter your results by clicking on the blue Search by all button (on left) and selecting Wordmark, Goods and Services, Owner, Serial number or Mark description.


Why would you care about someone having an Owner name the same as your trademark? You wouldn’t be refused for that, but that Owner could oppose you. Business names can develop a trade identity.

Under the rule of Otto Roth, a party opposing registration of a trademark due to a likelihood ofconfusion with his own unregistered term cannot prevail unless he shows that his term is distinctive of his goods, whether inherently or through the acquisition ofsecondary meaning or through “whatever other type of use may have developed a trade identity.” Otto Roth &Co. v. Universal Foods Corp.,640 F.2d 1317, 209 USPQ40, 43 (CCPA 1981).

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TMk® Email W@TMK.law  for U.S. Licensed Attorney for Trademark Searches and Applications; File or Defend an Opposition or Cancellation; Trademark Refusal; Brand Positioning

For more information from Not Just Patents, see our other pages and sites:      

USPTO Trademark Search   TEAS Application TEAS Plus  Where to trademark search? TmSearch.US.com

Trademark e Search  New USPTO Trademark Searching  

Common Law Trademarks   Trademark A-Z

Grounds for Refusal  ITU unit action

Tm1a.com: Why 1(a)? Tm1b.com: Why 1(b) trademark?

Trademark Disclaimers Trademark/Patent Assignment

Examples of Disclaimers FREE Resources

Patent, Trademark & Copyright Inventory Forms

Trademark Search Method TEAS Standard application    

How to Trademark Search

Phonetic Equivalent Examples  Website specimens

Trademark ID manual

Phonetic Equivalents New Search

Using Slogans (Taglines), Model Numbers as Trademarks

Which format? When Should I  Use Standard Characters?

Change Trademark or Patent Ownership    

 Opposition Proceeding    

TTAB Discovery Conference Checklist

Lack of standing is not an Affirmative Defense

Trademark Register FAQ  Definition: Clearance Search

teas plus vs teas standard   

Amend to Supplemental Register?    Knockout Searching

General Rules Likelihood of Confusion   Dominant Elements


Trademark Search Hack-Use the same method as USPTO   

Experience appearing before the Board (TTAB)

Trademark Specimen  Statement of Use (SOU)

How To Show Acquired Distinctiveness Under 2(f)

Trademark  Refusal  Opposition Period

Which TEAS application is less likely to be refused?

Examples of Composite or Unitary Marks  

TEAS Plus refusal rate  tesssearch  Brand Positioning Help

What Does ‘Use in Commerce’ Mean?    

Grounds for Opposition & Cancellation

Notice of Opposition trademark sample

What is a Trademark Specimen?     Trademark Searching


TBMP 309 Grounds Opposition/Canc.  

 Make Trademark Searching More Thorough

   

What are Dead or Abandoned Trademarks?

Can I Use An Abandoned Trademark?  

3D Marks Trade Dress TTAB Extension of Time  

Can I Abandon a Trademark During An Opposition?

Differences between TEAS Plus and TEAS Standard  

Extension of Time to Oppose

 tess search  Examples of Unusual Trademarks

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What Does Published for Opposition Mean?

What to Discuss in the Discovery Conference

Overcoming Merely Descriptive Refusal  TmkApp Checklist

Likelihood of Confusion 2d  TMK.law–Knowing the law matters

Acquired Distinctiveness Examples  2(f) or 2(f) in part

Definition: Likelihood of confusion

Merely Descriptive Trademarks  Merely Descriptive Refusals

Definition of Related goods and services for trademarks

ID of Goods and Services see also Headings (list) of International Trademark Classes How to search ID Manual

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Extension of Time to Oppose

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Change of Address with the TTAB using ESTTA

Likelihood of confusion-Circuit Court tests  Trademark Glossary

Pseudo Marks    How to Reply to Cease and Desist Letter

Why Hire A Private Trademark Attorney?

 Merely Descriptive Refusal   Avoid Likelihood of Confusion

Common Law Rights for Domain Names

Steps in a Trademark Opposition Process   

Published for Opposition  What is Discoverable in a TTAB Proceeding Affirmative Defenses  

What is the Difference between Principal & Supplemental Register?   

What is a Family of Marks? What If Someone Files An Opposition Against My Trademark? Statutory Cause of Action (aka Standing)

Tips for responding to tm Refusal  

DIY Overcoming Merely Descriptive Refusals

TESS Trademark Trademark Registration Answers TESS database  

Trademark Searching Using TESS  Trademark Search Tips

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