diff --git a/rtdata/languages/Deutsch b/rtdata/languages/Deutsch
index 176b8513c..e891b58a0 100644
--- a/rtdata/languages/Deutsch
+++ b/rtdata/languages/Deutsch
@@ -40,6 +40,8 @@ CURVEEDITOR_SHADOWS;Schatten
 CURVEEDITOR_TOOLTIPLINEAR;Kurve zurücksetzen (Linear)
 CURVEEDITOR_TOOLTIPLOAD;Kurve aus Datei laden
 CURVEEDITOR_TOOLTIPSAVE;Kurve speichern
+CURVEEDITOR_TOOLTIPCOPY;Kurve in Zwischenablage kopieren
+CURVEEDITOR_TOOLTIPPASTE;Kurve aus Zwischenablage einfügen
 CURVEEDITOR_TYPE;Typ
 EDITWINDOW_TITLE;Bildbearbeitung
 EXIFFILTER_APERTURE;Blende
diff --git a/rtdata/languages/default b/rtdata/languages/default
index 09191ecdf..2654c5e94 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -25,6 +25,8 @@ CURVEEDITOR_SHADOWS;Shadows
 CURVEEDITOR_TOOLTIPLINEAR;Reset curve to linear
 CURVEEDITOR_TOOLTIPLOAD;Load a curve from file
 CURVEEDITOR_TOOLTIPSAVE;Save current curve
+CURVEEDITOR_TOOLTIPCOPY;Copy current curve to clipboard
+CURVEEDITOR_TOOLTIPPASTE;Paste curve from clipboard
 CURVEEDITOR_TYPE;Type:
 EDITWINDOW_TITLE;Image Edit
 EXIFFILTER_APERTURE;Aperture
diff --git a/rtgui/clipboard.h b/rtgui/clipboard.h
index e9a43bd54..f07bf2e46 100644
--- a/rtgui/clipboard.h
+++ b/rtgui/clipboard.h
@@ -28,6 +28,9 @@ class Clipboard {
     std::vector<rtengine::procparams::IPTCPair> iptc;
     bool _hasProcParams;
     rtengine::procparams::ProcParams procParams;
+    bool _hasCurveData;
+    std::vector<double> curve;
+
 
     public:
         void                                               setIPTC (const std::vector<rtengine::procparams::IPTCPair>& iptcc) { iptc = iptcc; _hasIPTC = true;}
@@ -37,6 +40,12 @@ class Clipboard {
         void                                               setProcParams (const rtengine::procparams::ProcParams& pparams) { procParams = pparams; _hasProcParams = true; }
         const rtengine::procparams::ProcParams&            getProcParams ()                                                { return procParams; }
         bool                                               hasProcParams () { return _hasProcParams; }
+
+        void                                               setCurveData (std::vector<double>& p ) { curve = p;  _hasCurveData = true; return; }
+        const std::vector<double> &                        getCurveData ()                       { return curve; }
+        bool                                               hasCurveData ()                       { return _hasCurveData; }
+
+
 };
 
 extern Clipboard clipboard;
diff --git a/rtgui/diagonalcurveeditorsubgroup.cc b/rtgui/diagonalcurveeditorsubgroup.cc
index be11431d6..beb891645 100644
--- a/rtgui/diagonalcurveeditorsubgroup.cc
+++ b/rtgui/diagonalcurveeditorsubgroup.cc
@@ -17,6 +17,7 @@
  *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <clipboard.h>
 #include <gtkmm.h>
 #include <fstream>
 #include <string>
@@ -53,17 +54,31 @@ DiagonalCurveEditorSubGroup::DiagonalCurveEditorSubGroup (CurveEditorGroup* prt)
 	saveCustom->add (*Gtk::manage (new Gtk::Image (Gtk::StockID("gtk-save"), Gtk::ICON_SIZE_BUTTON)));
 	loadCustom = Gtk::manage (new Gtk::Button ());
 	loadCustom->add (*Gtk::manage (new Gtk::Image (Gtk::StockID("gtk-open"), Gtk::ICON_SIZE_BUTTON)));
+	copyCustom = Gtk::manage (new Gtk::Button ());
+        copyCustom->add (*Gtk::manage (new Gtk::Image (Gtk::StockID("gtk-copy"), Gtk::ICON_SIZE_BUTTON)));
+        pasteCustom = Gtk::manage (new Gtk::Button ());
+        pasteCustom->add (*Gtk::manage (new Gtk::Image (Gtk::StockID("gtk-paste"), Gtk::ICON_SIZE_BUTTON)));
+
 
 	custombbox->pack_end (*saveCustom, Gtk::PACK_SHRINK, 0);
 	custombbox->pack_end (*loadCustom, Gtk::PACK_SHRINK, 0);
+        custombbox->pack_end (*copyCustom, Gtk::PACK_SHRINK, 0);
+        custombbox->pack_end (*pasteCustom, Gtk::PACK_SHRINK, 0);
+
 
 	customCurveBox->pack_end (*custombbox, Gtk::PACK_SHRINK, 0);
 	customCurveBox->show_all ();
 
 	saveCustom->signal_clicked().connect( sigc::mem_fun(*this, &DiagonalCurveEditorSubGroup::savePressed) );
 	loadCustom->signal_clicked().connect( sigc::mem_fun(*this, &DiagonalCurveEditorSubGroup::loadPressed) );
+        copyCustom->signal_clicked().connect( sigc::mem_fun(*this, &DiagonalCurveEditorSubGroup::copyPressed) );
+        pasteCustom->signal_clicked().connect( sigc::mem_fun(*this, &DiagonalCurveEditorSubGroup::pastePressed) );
+ 
 	saveCustom->set_tooltip_text (M("CURVEEDITOR_TOOLTIPSAVE"));
 	loadCustom->set_tooltip_text (M("CURVEEDITOR_TOOLTIPLOAD"));
+        copyCustom->set_tooltip_text (M("CURVEEDITOR_TOOLTIPCOPY"));
+        pasteCustom->set_tooltip_text (M("CURVEEDITOR_TOOLTIPPASTE"));
+
 
 	// NURBS curve
 	NURBSCurveBox = new Gtk::HBox ();
@@ -298,6 +313,33 @@ void DiagonalCurveEditorSubGroup::loadPressed () {
     }
 }
 
+void DiagonalCurveEditorSubGroup::copyPressed () {
+
+     std::vector<double> curve;
+
+                switch (parent->displayedCurve->selected) {
+                case DCT_Spline:                // custom
+                        curve = customCurve->getPoints (); 
+                        clipboard.setCurveData (curve);
+                        break;
+                }   
+
+}
+
+void DiagonalCurveEditorSubGroup::pastePressed () {
+
+     std::vector<double> curve;
+
+     if (!clipboard.hasCurveData()) {
+         return; }   
+     curve = clipboard.getCurveData (); 
+
+     customCurve->setPoints (curve);
+     customCurve->queue_draw (); 
+     customCurve->notifyListener (); 
+}
+
+
 /*
  * Store the curves of the currently displayed type from the widgets to the CurveEditor object
  */
diff --git a/rtgui/diagonalcurveeditorsubgroup.h b/rtgui/diagonalcurveeditorsubgroup.h
index 4edfce825..7638c858f 100644
--- a/rtgui/diagonalcurveeditorsubgroup.h
+++ b/rtgui/diagonalcurveeditorsubgroup.h
@@ -45,6 +45,8 @@ protected:
 
 	Gtk::Button* saveCustom;
 	Gtk::Button* loadCustom;
+	Gtk::Button* copyCustom;
+	Gtk::Button* pasteCustom;
 	Gtk::Button* saveNURBS;
 	Gtk::Button* loadNURBS;
 
@@ -64,6 +66,8 @@ protected:
 	void restoreDisplayedHistogram ();
 	void savePressed ();
 	void loadPressed ();
+	void copyPressed ();
+	void pastePressed ();
 	void switchGUI();
 	bool curveReset (int cType);
 	void removeEditor ();