Formatted inline.

In addition to trademark, two of the values of the class attribute on productname make assertions about trademarks; presumably the same markup is intended for both trademark and productname when they make assertions about trademarks.

Common attributes and common linking attributes.

These elements contain trademark: abbrev, acronym, address, artpagenums, attribution, authorinitials, bibliocoverage, biblioid, bibliomisc, bibliomixed, bibliomset, bibliorelation, bibliosource, bridgehead, citation, citebiblioid, citetitle, city, confdates, confnum, confsponsor, conftitle, contractnum, contractsponsor, contrib, country, edition, email, emphasis (db._emphasis), emphasis (db.emphasis), entry, fax, firstname, firstterm (db._firstterm), firstterm (db.firstterm), foreignphrase (db._foreignphrase), foreignphrase (db.foreignphrase), givenname, glosssee, glossseealso, glossterm (db._glossterm), glossterm (db.glossterm), holder, honorific, issuenum, jobtitle, label, line, lineage, link, literal, literallayout, mathphrase, member, olink, optional, orgdiv, orgname, otheraddr, othername, pagenums, para, personname, phone, phrase (db._phrase), phrase (db.phrase), pob, postcode, primary, productname, productnumber, publishername, quote (db._quote), quote (db.quote), releaseinfo, remark, revnumber, revremark, secondary, see, seealso, seriesvolnums, shortaffil, simpara, state, street, subscript, subtitle, superscript, surname, term, termdef, tertiary, title, titleabbrev, trademark, uri, volumenum, wordasword, year.

The following elements occur in trademark: text, abbrev, acronym, alt, anchor, biblioref, coref, date, emphasis (db._emphasis), firstterm (db._firstterm), footnote, footnoteref, foreignphrase (db._foreignphrase), glossterm (db._glossterm), indexterm (db.indexterm.endofrange), indexterm (db.indexterm.singular), indexterm (db.indexterm.startofrange), inlinemediaobject, link, olink, phrase (db._phrase), quote (db._quote), remark, subscript, superscript, trademark, wordasword, xref.