diff --git a/htdocs/langs/en_US/productbatch.lang b/htdocs/langs/en_US/productbatch.lang
index a63442d4b74..26dc9650308 100644
--- a/htdocs/langs/en_US/productbatch.lang
+++ b/htdocs/langs/en_US/productbatch.lang
@@ -27,4 +27,5 @@ StockDetailPerBatch=Stock detail per lot
 SerialNumberAlreadyInUse=Serial number %s is already used for product %s
 TooManyQtyForSerialNumber=You can only have one product %s for serial number %s
 BatchLotNumberingModules=Options for automatic generation of batch products managed by lots
-BatchSerialNumberingModules=Options for automatic generation of batch products managed by serial numbers
\ No newline at end of file
+BatchSerialNumberingModules=Options for automatic generation of batch products managed by serial numbers
+ManageLotMask=Custom mask
\ No newline at end of file
diff --git a/htdocs/langs/fr_FR/productbatch.lang b/htdocs/langs/fr_FR/productbatch.lang
index eed5a063318..81551a38dca 100644
--- a/htdocs/langs/fr_FR/productbatch.lang
+++ b/htdocs/langs/fr_FR/productbatch.lang
@@ -27,4 +27,5 @@ StockDetailPerBatch=Stock détaillé par lot
 SerialNumberAlreadyInUse=Le numéro de série %s est déjà utilisé pour le produit %s
 TooManyQtyForSerialNumber=Vous ne pouvez avoir qu'un produit %s avec le numéro de série %s
 BatchLotNumberingModules=Modèle de génération et contrôle des numéros de lot
-BatchSerialNumberingModules=Modèle de génération et contrôle des numéros de série
\ No newline at end of file
+BatchSerialNumberingModules=Modèle de génération et contrôle des numéros de série
+ManageLotMask=Masque personnalisé
\ No newline at end of file
diff --git a/htdocs/product/card.php b/htdocs/product/card.php
index 094ce8670a9..e6b3adb7439 100644
--- a/htdocs/product/card.php
+++ b/htdocs/product/card.php
@@ -307,6 +307,10 @@ if (empty($reshook)) {
 			$object->status             	 = GETPOST('statut');
 			$object->status_buy            = GETPOST('statut_buy');
 			$object->status_batch = GETPOST('status_batch');
+			if ($object->status_batch !== 0) {
+				$object->batch_mask = GETPOST('batch_mask');
+			}
+			else $object->batch_mask = '';
 
 			$object->barcode_type          = GETPOST('fk_barcode_type');
 			$object->barcode = GETPOST('barcode');
@@ -475,6 +479,10 @@ if (empty($reshook)) {
 				$object->status                 = GETPOST('statut', 'int');
 				$object->status_buy             = GETPOST('statut_buy', 'int');
 				$object->status_batch = GETPOST('status_batch', 'aZ09');
+				if ($object->status_batch !== 0) {
+					$object->batch_mask = GETPOST('batch_mask', 'alpha');
+				}
+				else $object->batch_mask = '';
 				$object->fk_default_warehouse   = GETPOST('fk_default_warehouse');
 				// removed from update view so GETPOST always empty
 				/*
@@ -1083,10 +1091,48 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 
 		// Batch number management
 		if (!empty($conf->productbatch->enabled)) {
-			print '<tr><td>'.$langs->trans("ManageLotSerial").'</td><td colspan="3">';
+			print '<tr><td>'.$langs->trans("ManageLotSerial").'</td><td>';
 			$statutarray = array('0' => $langs->trans("ProductStatusNotOnBatch"), '1' => $langs->trans("ProductStatusOnBatch"), '2' => $langs->trans("ProductStatusOnSerial"));
 			print $form->selectarray('status_batch', $statutarray, GETPOST('status_batch'));
-			print '</td></tr>';
+			print '</td>';
+			// Product specific batch number management
+			$status_batch = GETPOST('status_batch');
+			if ($status_batch !== '0') {
+				$tooltip = $langs->trans("GenericMaskCodes", $langs->transnoentities("Batch"), $langs->transnoentities("Batch"));
+				$tooltip .= $langs->trans("GenericMaskCodes2");
+				$tooltip .= $langs->trans("GenericMaskCodes3");
+				$tooltip .= $langs->trans("GenericMaskCodes4a", $langs->transnoentities("Batch"), $langs->transnoentities("Batch"));
+				$tooltip .= $langs->trans("GenericMaskCodes5");
+				print '<td id="mask_option">'.$langs->trans("ManageLotMask").'</td>';
+				if (($conf->global->PRODUCTBATCH_LOT_USE_PRODUCT_MASKS && $conf->global->PRODUCTBATCH_LOT_ADDON == 'mod_lot_advanced') || ($conf->global->PRODUCTBATCH_SN_USE_PRODUCT_MASKS && $conf->global->PRODUCTBATCH_SN_ADDON == 'mod_sn_advanced')) {
+					$inherited_mask_lot = $conf->global->LOT_ADVANCED_MASK;
+					$inherited_mask_sn = $conf->global->SN_ADVANCED_MASK;
+					print '<td id="field_mask">';
+					print $form->textwithpicto('<input type="text" class="flat" size="24" name="batch_mask" id="batch_mask_input">', $tooltip, 1, 1);
+					print '</td>';
+				}
+				print '<script type="text/javascript">
+							$(document).ready(function() {
+								$("#field_mask, #mask_option").addClass("hideobject");
+								$("#status_batch").on("change", function () {
+									var optionSelected = $("option:selected", this);
+									var valueSelected = this.value;
+									$("#field_mask, #mask_option").addClass("hideobject");
+									if (this.value == 1) {
+										$("#field_mask, #mask_option").toggleClass("hideobject");
+										$("#batch_mask_input").val("'.$inherited_mask_lot.'");
+									}
+									if (this.value == 2) {
+										$("#field_mask, #mask_option").toggleClass("hideobject");
+										$("#batch_mask_input").val("'.$inherited_mask_sn.'");
+									}
+								})
+							})
+						</script>';
+			}
+
+			print '</tr>';
+
 		}
 
 		$showbarcode = empty($conf->barcode->enabled) ? 0 : 1;
@@ -1545,10 +1591,53 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 			// Batch number managment
 			if ($conf->productbatch->enabled) {
 				if ($object->isProduct() || !empty($conf->global->STOCK_SUPPORTS_SERVICES)) {
-					print '<tr><td>'.$langs->trans("ManageLotSerial").'</td><td colspan="3">';
+					print '<tr><td>'.$langs->trans("ManageLotSerial").'</td><td>';
 					$statutarray = array('0' => $langs->trans("ProductStatusNotOnBatch"), '1' => $langs->trans("ProductStatusOnBatch"), '2' => $langs->trans("ProductStatusOnSerial"));
 					print $form->selectarray('status_batch', $statutarray, $object->status_batch);
-					print '</td></tr>';
+					print '</td>';
+					if ($object->status_batch !== '0') {
+						$tooltip = $langs->trans("GenericMaskCodes", $langs->transnoentities("Batch"), $langs->transnoentities("Batch"));
+						$tooltip .= $langs->trans("GenericMaskCodes2");
+						$tooltip .= $langs->trans("GenericMaskCodes3");
+						$tooltip .= $langs->trans("GenericMaskCodes4a", $langs->transnoentities("Batch"), $langs->transnoentities("Batch"));
+						$tooltip .= $langs->trans("GenericMaskCodes5");
+						print '<td id="mask_option">'.$langs->trans("ManageLotMask").'</td>';
+						if ($object->status_batch == '1' && $conf->global->PRODUCTBATCH_LOT_USE_PRODUCT_MASKS && $conf->global->PRODUCTBATCH_LOT_ADDON == 'mod_lot_advanced') {
+							$mask = !is_empty($object->batch_mask) ? $object->batch_mask : $conf->global->LOT_ADVANCED_MASK;
+						}
+						if ($object->status_batch == '2' && $conf->global->PRODUCTBATCH_SN_USE_PRODUCT_MASKS && $conf->global->PRODUCTBATCH_SN_ADDON == 'mod_sn_advanced') {
+							$mask = !is_empty($object->batch_mask) ? $object->batch_mask : $conf->global->SN_ADVANCED_MASK;
+						}
+						$inherited_mask_lot = $conf->global->LOT_ADVANCED_MASK;
+						$inherited_mask_sn = $conf->global->SN_ADVANCED_MASK;	
+						print '<td id="field_mask">';
+						print $form->textwithpicto('<input type="text" class="flat" size="24" name="batch_mask" id="batch_mask_input" value="'.$mask.'">', $tooltip, 1, 1);
+						print '</td>';
+					
+						print '<script type="text/javascript">
+						$(document).ready(function() {
+							$("#field_mask, #mask_option").addClass("hideobject");
+							var preselect = $("#status_batch option:selected");
+							if (preselect !== "0") {
+								$("#field_mask, #mask_option").toggleClass("hideobject");
+							}
+							$("#status_batch").on("change", function () {
+								var optionSelected = $("option:selected", this);
+								var valueSelected = this.value;
+								$("#field_mask, #mask_option").addClass("hideobject");
+								if (this.value == 1) {
+									$("#field_mask, #mask_option").toggleClass("hideobject");
+									$("#batch_mask_input").val("'.$inherited_mask_lot.'");
+								}
+								if (this.value == 2) {
+									$("#field_mask, #mask_option").toggleClass("hideobject");
+									$("#batch_mask_input").val("'.$inherited_mask_sn.'");
+								}
+							})
+						})
+					</script>';
+					}
+					print '</tr>';
 				}
 			}
 
@@ -2036,6 +2125,13 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 					print '<tr><td>'.$langs->trans("ManageLotSerial").'</td><td colspan="2">';
 					print $object->getLibStatut(0, 2);
 					print '</td></tr>';
+					if ((($object->status_batch == '1' && $conf->global->PRODUCTBATCH_LOT_USE_PRODUCT_MASKS && $conf->global->PRODUCTBATCH_LOT_ADDON == 'mod_lot_advanced') 
+					|| ($object->status_batch == '2' && $conf->global->PRODUCTBATCH_SN_ADDON == 'mod_sn_advanced' && $conf->global->PRODUCTBATCH_SN_USE_PRODUCT_MASKS))) {
+						print '<tr><td>'.$langs->trans("ManageLotMask").'</td><td colspan="2">';
+						print $object->batch_mask;
+						print '</td></tr>';
+	
+					}
 				}
 			}
 
diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index 16bbc508ac9..4fc6f378d11 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -264,6 +264,13 @@ class Product extends CommonObject
 	 */
 	public $status_batch = 0;
 
+	/**
+	 * If allowed, we can edit batch or serial number mask for each product
+	 *
+	 * @var string
+	 */
+	public $batch_mask = '';
+
 	/**
 	 * Customs code
 	 *
@@ -671,6 +678,7 @@ class Product extends CommonObject
 					$sql .= ", canvas";
 					$sql .= ", finished";
 					$sql .= ", tobatch";
+					$sql .= ", batch_mask";
 					$sql .= ", fk_unit";
 					$sql .= ") VALUES (";
 					$sql .= "'".$this->db->idate($now)."'";
@@ -698,6 +706,7 @@ class Product extends CommonObject
 					$sql .= ", '".$this->db->escape($this->canvas)."'";
 					$sql .= ", ".((!isset($this->finished) || $this->finished < 0 || $this->finished == '') ? 'null' : (int) $this->finished);
 					$sql .= ", ".((empty($this->status_batch) || $this->status_batch < 0) ? '0' : $this->status_batch);
+					$sql .= ", '".$this->db->escape($this->batch_mask)."'";
 					$sql .= ", ".(!$this->fk_unit ? 'NULL' : $this->fk_unit);
 					$sql .= ")";
 
@@ -1059,6 +1068,8 @@ class Product extends CommonObject
 			$sql .= ", tosell = ".(int) $this->status;
 			$sql .= ", tobuy = ".(int) $this->status_buy;
 			$sql .= ", tobatch = ".((empty($this->status_batch) || $this->status_batch < 0) ? '0' : (int) $this->status_batch);
+			$sql .= ", batch_mask = '".$this->db->escape($this->batch_mask)."'";
+
 			$sql .= ", finished = ".((!isset($this->finished) || $this->finished < 0 || $this->finished == '') ? "null" : (int) $this->finished);
 			$sql .= ", net_measure = ".($this->net_measure != '' ? "'".$this->db->escape($this->net_measure)."'" : 'null');
 			$sql .= ", net_measure_units = ".($this->net_measure_units != '' ? "'".$this->db->escape($this->net_measure_units)."'" : 'null');
@@ -2170,7 +2181,7 @@ class Product extends CommonObject
 		} else {
 			$sql .= " pa.accountancy_code_buy, pa.accountancy_code_buy_intra, pa.accountancy_code_buy_export, pa.accountancy_code_sell, pa.accountancy_code_sell_intra, pa.accountancy_code_sell_export,";
 		}
-		$sql .= " p.stock,p.pmp, p.datec, p.tms, p.import_key, p.entity, p.desiredstock, p.tobatch, p.fk_unit,";
+		$sql .= " p.stock,p.pmp, p.datec, p.tms, p.import_key, p.entity, p.desiredstock, p.tobatch, p.batch_mask, p.fk_unit,";
 		$sql .= " p.fk_price_expression, p.price_autogen, p.model_pdf";
 		$sql .= " FROM ".MAIN_DB_PREFIX."product as p";
 		if (!empty($conf->global->MAIN_PRODUCT_PERENTITY_SHARED)) {
@@ -2210,6 +2221,7 @@ class Product extends CommonObject
 				$this->status                        = $obj->tosell;
 				$this->status_buy                    = $obj->tobuy;
 				$this->status_batch                    = $obj->tobatch;
+				$this->batch_mask                    = $obj->batch_mask;
 
 				$this->customcode                    = $obj->customcode;
 				$this->country_id                    = $obj->fk_country;