diff --git a/Mk/bsd.licenses.mk b/Mk/bsd.licenses.mk
--- a/Mk/bsd.licenses.mk
+++ b/Mk/bsd.licenses.mk
@@ -69,6 +69,8 @@
 # LICENSE_GROUPS	- Groups the license belongs.
 # LICENSE_NAME		- Full license name (for the reports).
 # LICENSE_FILE		- Full path to license (or use LICENSE_TEXT).
+# LICENSE_FILENAME	- Name of the license file to install (e.g., if multiple
+#			  		  licenses are called 'License')
 # LICENSE_TEXT		- Text to use as a license, useful when referencing to
 #					  another place if it's not in the distfile.
 # LICENSE_DISTFILES	- Name of licensed files (defaults to ${_DISTFILES}).
@@ -86,8 +88,8 @@
 # Case 2: license only known by the port (aka "unknown").
 #
 # In this case LICENSE_{PERMS,NAME} are mandatory, in addition to
-# either LICENSE_FILE or LICENSE_TEXT. Optional variable is
-# LICENSE_GROUPS.
+# either LICENSE_FILE or LICENSE_TEXT. Optional variables are
+# LICENSE_GROUPS and LICENSE_FILENAME.
 #
 # Available components for LICENSE_PERMS:
 # dist-mirror	- Redistribution of distfile is permitted
@@ -236,16 +238,19 @@
 .            if !defined(LICENSE_TEXT)
 .              if exists(${_LICENSE_STORE}/${lic})
 _LICENSE_FILE=		${_LICENSE_STORE}/${lic}
+_LICENSE_FILENAME=	${lic}
 .              else
 # No license file in /usr/ports/Templates/Licenses
 _LICENSE_TEXT=		The license: ${_LICENSE} (${_LICENSE_NAME}) is standard, please read from the web.
 _LICENSE_FILE=		${WRKDIR}/${lic}
+_LICENSE_FILENAME=	${lic}
 .              endif
 .            else
 _LICENSE_ERROR?=	defining LICENSE_TEXT is not allowed for known licenses
 .            endif
 .          else
 _LICENSE_FILE=		${LICENSE_FILE}
+_LICENSE_FILENAME=	${LICENSE_FILE:T}
 .          endif
 
 .        else
@@ -277,9 +282,11 @@
 .            else
 _LICENSE_TEXT=		${LICENSE_TEXT}
 _LICENSE_FILE=		${WRKDIR}/${lic}
+_LICENSE_FILENAME=	${lic}
 .            endif
 .          else
 _LICENSE_FILE=		${LICENSE_FILE}
+_LICENSE_FILENAME=	${LICENSE_FILE:T}
 .          endif
 .        endif
 
@@ -299,7 +306,8 @@
 
 .      if defined(LICENSE_FILE)
 .        for lic in ${_LICENSE}
-LICENSE_FILE_${lic}?=	${LICENSE_FILE}
+LICENSE_FILE_${lic}?=		${LICENSE_FILE}
+LICENSE_FILENAME_${lic}?=	${LICENSE_FILE_${lic}:T}
 .        endfor
 .      endif
 
@@ -322,16 +330,25 @@
 .            if !defined(LICENSE_TEXT_${lic})
 .              if exists(${_LICENSE_STORE}/${lic})
 _LICENSE_FILE_${lic}=		${_LICENSE_STORE}/${lic}
+_LICENSE_FILENAME_${lic}=	${lic}
 .              else
 #  No license file in /usr/ports/Templates/Licenses
 _LICENSE_TEXT_${lic}=	The license: ${lic} (${_LICENSE_NAME_${lic}}) is standard, please read from the web.
 _LICENSE_FILE_${lic}=	${WRKDIR}/${lic}
+_LICENSE_FILENAME_${lic}=	${lic}
 .              endif
 .            else
 _LICENSE_ERROR?=	defining LICENSE_TEXT_${lic} is not allowed for known licenses
 .            endif
 .          else
 _LICENSE_FILE_${lic}=	${LICENSE_FILE_${lic}}
+_LICENSE_FILENAME_${lic}=	${LICENSE_FILENAME_${lic}:T:U_LICENSE_FILE_${lic}:T:U${lic}}
+.            for _l in ${_LICENSE}
+.              if "${lic}" != ${_l} && "${_LICENSE_FILENAME_${lic}}" == "${_LICENSE_FILENAME_${_l}}" && \
+		  "${_LICENSE_FILE_${lic}}" != "${_LICENSE_FILE_${_l}}"
+_LICENSE_ERROR?=	ERROR: duplicate LICENSE_FILENAME for ${lic} and ${_l}: '${LICENSE_FILENAME_${lic}:T}' and '${_LICENSE_FILENAME_${_l}}'
+.              endif
+.            endfor
 .          endif
 
 .        else
@@ -363,9 +380,17 @@
 .            else
 _LICENSE_TEXT_${lic}=	${LICENSE_TEXT_${lic}}
 _LICENSE_FILE_${lic}=	${WRKDIR}/${lic}
+_LICENSE_FILENAME_${lic}=	${lic}
 .            endif
 .          else
 _LICENSE_FILE_${lic}=	${LICENSE_FILE_${lic}}
+_LICENSE_FILENAME_${lic}=	${LICENSE_FILENAME_${lic}:T:U_LICENSE_FILE_${lic}:T:U${lic}}
+.            for _l in ${_LICENSE}
+.              if "${lic}" != ${_l} && "${_LICENSE_FILENAME_${lic}}" == "${_LICENSE_FILENAME_${_l}}" && \
+		  "${_LICENSE_FILE_${lic}}" != "${_LICENSE_FILE_${_l}}"
+_LICENSE_ERROR?=	ERROR: duplicate LICENSE_FILENAME for ${lic} and ${_l}: '${LICENSE_FILENAME_${lic}:T}' and '${_LICENSE_FILENAME_${lic}}'
+.              endif
+.            endfor
 .          endif
 .        endif
 
@@ -681,13 +706,13 @@
 .        elif ${_LICENSE_COMB} == "multi"
 	@${RM} ${_LICENSE_ASK_DATA}
 .          for lic in ${_LICENSE_TO_ASK}
-	@${ECHO_CMD} "${lic}:${_LICENSE_FILE_${lic}}" >> ${_LICENSE_ASK_DATA}
+	@${ECHO_CMD} "${_LICENSE_FILENAME_${lic}}:${_LICENSE_FILE_${lic}}" >> ${_LICENSE_ASK_DATA}
 .          endfor
 	@menu_cmd="${SETENV} LC_ALL=C.UTF-8 ${DIALOG} --hline \"This port requires you to accept all mentioned licenses\" --menu \"License for ${PKGNAME} (multi)\" 21 70 15"; \
 	trap '${RM} $$tmpfile' EXIT INT TERM; \
 	tmpfile=$$(mktemp -t portlicenses); \
 	for lic in ${_LICENSE_TO_ASK}; do \
-		menu_cmd="$${menu_cmd} VIEW_$${lic} \"View the license $${lic}\""; \
+		menu_cmd="$${menu_cmd} VIEW_$${lic} \"View the license $${_LICENSE_FILENAME_${lic}}\""; \
 	done; \
 	menu_cmd="$${menu_cmd} ACCEPT \"Accept the licenses (all)\" REJECT \"Reject the licenses (all)\""; \
 	while true; do \
@@ -719,9 +744,9 @@
 .        if ${_LICENSE_COMB} != "single"
 .          for lic in ${_LICENSE_TO_ASK}
 .            if defined(WRKDIRPREFIX)
-	@${ECHO_MSG} "- ${lic} (${_LICENSE_NAME_${lic}}), available at ${_LICENSE_FILE_${lic}}"
+	@${ECHO_MSG} "- ${_LICENSE_FILENAME_${lic}} (${_LICENSE_NAME_${lic}}), available at ${_LICENSE_FILE_${lic}}"
 .            else
-	@${ECHO_MSG} "- ${lic} (${_LICENSE_NAME_${lic}}), available at ${_LICENSE_FILE_${lic}:S/${WRKDIR}\//${WRKDIR:T}\//}"
+	@${ECHO_MSG} "- ${_LICENSE_FILENAME_${lic}} (${_LICENSE_NAME_${lic}}), available at ${_LICENSE_FILE_${lic}:S/${WRKDIR}\//${WRKDIR:T}\//}"
 .            endif
 .          endfor
 	@${ECHO_MSG}
@@ -763,7 +788,7 @@
 	@${ECHO_CMD} "This package has multiple licenses (all of):"  >> ${_LICENSE_REPORT_TMP}
 .        endif
 .        for lic in ${_LICENSE}
-	@${ECHO_CMD} "- ${lic} (${_LICENSE_NAME_${lic}})"  >> ${_LICENSE_REPORT_TMP}
+	@${ECHO_CMD} "- ${_LICENSE_FILENAME_${lic}} (${_LICENSE_NAME_${lic}})"  >> ${_LICENSE_REPORT_TMP}
 .        endfor
 .      endif
 .    endif
@@ -775,6 +800,15 @@
 
 .    if !defined(NO_LICENSES_INSTALL)
 .      for sp in ${_PKGS}
+# "LICENSE" (default _LICENSE_REPORT.${sp}) is a too generic name and colides
+# with license file names. Append .${lic} in case of collision.
+# while here also check for catalog.mk( default _LICENSE_CATALOG.${sp}).
+.        for _l in ${_LICENSE}
+.          if "${_LICENSE_FILENAME_${_l}}" == "${_LICENSE_REPORT.${sp}:T}" || \
+              "${_LICENSE_FILENAME_${_l}}" == "${_LICENSE_CATALOG.${sp}:T}"
+_LICENSE_FILENAME_${_l}:=	${_LICENSE_FILENAME_${_l}}.${_l}
+.          endif
+.        endfor
 .        if ${sp} == ${PKGBASE}
 PLIST_FILES+=	${_LICENSE_CATALOG.${sp}} \
 				${_LICENSE_REPORT.${sp}}
@@ -782,8 +816,15 @@
 PLIST_FILES+=	${_LICENSE_DIR.${sp}}/${_LICENSE}
 .          else
 .            for lic in ${_LICENSE}
-.              if defined(_LICENSE_FILE_${lic})
-PLIST_FILES+=	${_LICENSE_DIR.${sp}}/${lic}
+.              if defined(_LICENSE_FILENAME_${lic})
+_PLF_${lic}:=	${_LICENSE_DIR.${sp}}/${_LICENSE_FILENAME_${lic}}
+.                for _plf in ${PLIST_FILES}
+.                  if "${_plf}" == "${_PLF_${lic}}"
+_PLF_${lic}=
+.                   break
+.                  endif
+.                endfor
+PLIST_FILES+=	${_PLF_${lic}}
 .              endif
 .            endfor
 .          endif
@@ -795,7 +836,14 @@
 .          else
 .            for lic in ${_LICENSE}
 .              if defined(_LICENSE_FILE_${lic})
-PLIST_FILES${_SP.${sp}}+=	${_LICENSE_DIR.${sp}}/${lic}
+_PLF_${lic}:=	${_LICENSE_DIR.${sp}}/${_LICENSE_FILENAME_${lic}}
+.                for _plf in ${PLIST_FILES${_SP.${sp}}}
+.                  if "${_plf}" == "${_PLF_${lic}}"
+_PLF_${lic}=
+.                   break
+.                  endif
+.                endfor
+PLIST_FILES${_SP.${sp}}+=	${_PLF_${lic}}
 .              endif
 .            endfor
 .          endif
@@ -811,7 +859,17 @@
 	@${INSTALL_DATA} ${_LICENSE_FILE} ${STAGEDIR}${_LICENSE_DIR.${sp}}/${_LICENSE}
 .        else
 .          for lic in ${_LICENSE}
-	@${INSTALL_DATA} ${_LICENSE_FILE_${lic}} ${STAGEDIR}${_LICENSE_DIR.${sp}}/${lic}
+	@${INSTALL_DATA} ${_LICENSE_FILE_${lic}} ${STAGEDIR}${_LICENSE_DIR.${sp}}/${_LICENSE_FILENAME_${lic}}
+.          endfor
+.        endif
+
+list-license: list-license.${sp}
+list-license.${sp}:
+.        if ${_LICENSE_COMB} == "single"
+	@${ECHO_CMD} "${_LICENSE_FILE} will be installed to ${_LICENSE_DIR.${sp}}/ as ${_LICENSE}"
+.        else
+.          for lic in ${_LICENSE}
+	@${ECHO_CMD} "${lic} : ${_LICENSE_FILE_${lic}:C@^${WRKDIR}/@@} will be installed to ${_LICENSE_DIR.${sp}}/ as ${_LICENSE_FILENAME_${lic}}"
 .          endfor
 .        endif
 .      endfor
@@ -829,6 +887,11 @@
 	@${ECHO_MSG} "===>  License check disabled, port has not defined LICENSE"
 .    endif
 
+list-license:
+.    if defined(LICENSE_VERBOSE)
+	@${ECHO_MSG} "===>  License list empty, port has not defined LICENSE"
+.    endif
+
 .  endif	# LICENSE
 
 .endif