There exists Sun/ Sun Microsystems, Inc. reference in JDK 7 THIRDPARTYLICENSEREADME file.

"Java is a trademark of Sun Microsystems, Inc. References to the Java programminglanguage in relation to JLex are not meant to imply that Sun endorses this
product.

*** Steps to reproduce:
1) Install jdk7-b144
2) Open the file /jdk1.7.0/THIRDPARTYLICENSEREADME.txt

and there is Sun reference in the context
"Java is a trademark of Sun Microsystems, Inc. References to the Java programminglanguage in relation to JLex are not meant to imply that Sun endorses this
product.
The same file is also located under /jre dir
 /jdk1.7.0/jre/THIRDPARTYLICENSEREADME.txt