diff --git a/share/sgml/trademarks.ent b/share/sgml/trademarks.ent
index 2e4121f2a2..1942289f87 100644
--- a/share/sgml/trademarks.ent
+++ b/share/sgml/trademarks.ent
@@ -103,6 +103,13 @@
 <!ENTITY dell "<trademark>Dell</trademark>">
 <!ENTITY poweredge "<trademark>PowerEdge</trademark>">
 
+<!-- http://www.epson.com/cgi-bin/Store/AboutTrademarkInfo.jsp -->
+<!ENTITY tm-attrib.epson "<para>EPSON, EPSON Perfection are registered
+  trademarks of Seiko Epson Corporation.</para>">
+<!ENTITY epson "<trademark class='registered'>EPSON</trademark>">
+<!ENTITY epson.perfection "<trademark class='registered'>EPSON
+  Perfection</trademark>">
+
 <!ENTITY tm-attrib.freebsd "<para>FreeBSD is a registered trademark of
   Wind River Systems, Inc.  This is expected to change soon.</para>">