diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/common/FilterUtils.java b/libreplan-webapp/src/main/java/org/libreplan/web/common/FilterUtils.java
new file mode 100644
index 000000000..2985c1574
--- /dev/null
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/common/FilterUtils.java
@@ -0,0 +1,140 @@
+/*
+ * This file is part of LibrePlan
+ *
+ * Copyright (C) 2013 Igalia, S.L.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.libreplan.web.common;
+
+import java.util.Date;
+import java.util.List;
+
+import org.joda.time.LocalDate;
+import org.libreplan.web.common.components.finders.FilterPair;
+import org.zkoss.zk.ui.Sessions;
+
+/**
+ * Manages operations to read and write filter parameters from the session <br />
+ *
+ * @author Lorenzo Tilve Álvaro <ltilve@igalia.com>
+ */
+public class FilterUtils {
+
+    // Company view and Project list session variables
+
+    public static Date readProjectsStartDate() {
+        return (Date) Sessions.getCurrent().getAttribute(
+                "companyFilterStartDate");
+    }
+
+    public static Date readProjectsEndDate() {
+        return (Date) Sessions.getCurrent()
+                .getAttribute("companyFilterEndDate");
+    }
+
+    public static List<Object> readProjectsParameters() {
+        return (List<Object>) Sessions.getCurrent().getAttribute(
+                "companyFilterLabel");
+    }
+
+    public static void writeProjectsStartDate(Date date) {
+        Sessions.getCurrent().setAttribute("companyFilterStartDate", date);
+    }
+
+    public static void writeProjectsEndDate(Date date) {
+        Sessions.getCurrent().setAttribute("companyFilterEndDate", date);
+    }
+
+    public static void writeProjectsParameters(List<Object> parameters) {
+        Sessions.getCurrent().getAttribute("companyFilterLabel");
+    }
+
+    public static void writeProjectsFilter(Date startDate, Date endDate,
+            List<Object> parameters) {
+        writeProjectsStartDate(startDate);
+        writeProjectsEndDate(endDate);
+        writeProjectsParameters(parameters);
+    }
+
+    // Resources load filter
+
+    public static LocalDate readResourceLoadsStartDate() {
+        return (LocalDate) Sessions.getCurrent().getAttribute(
+                "resourceLoadStartDate");
+    }
+
+    public static LocalDate readResourceLoadsEndDate() {
+        return (LocalDate) Sessions.getCurrent().getAttribute(
+                "resourceLoadEndDate");
+    }
+
+    public static List<FilterPair> readResourceLoadsBandbox() {
+        return (List<FilterPair>) Sessions.getCurrent().getAttribute(
+                "resourceLoadFilterWorkerOrCriterion");
+    }
+
+    public static void writeResourceLoadsStartDate(LocalDate date) {
+        Sessions.getCurrent().setAttribute("resourceLoadStartDate", date);
+    }
+
+    public static void writeResourceLoadsEndDate(LocalDate date) {
+        Sessions.getCurrent().setAttribute("resourceLoadEndDate", date);
+    }
+
+    public static void writeResourceLoadsParameters(List<Object> parameters) {
+        Sessions.getCurrent().getAttribute(
+                "resourceLoadFilterWorkerOrCriterion");
+    }
+
+    // Project gantt and WBS filter parameters
+
+    public static Date readOrderStartDate(String orderCode) {
+        return (Date) Sessions.getCurrent().getAttribute(
+                orderCode + "-startDateFilter");
+    }
+
+    public static Date readOrderEndDate(String orderCode) {
+        return (Date) Sessions.getCurrent().getAttribute(
+                orderCode + "-endDateFilter");
+    }
+
+    public static String readOrderTaskName(String orderCode) {
+        return (String) Sessions.getCurrent().getAttribute(
+                orderCode + "-tasknameFilter");
+    }
+
+    public static List<Object> readOrderParameters(String orderCode) {
+        return (List<Object>) Sessions.getCurrent().getAttribute(
+                orderCode + "-labelsandcriteriaFilter");
+    }
+
+    public static Boolean readOrderInheritance(String orderCode) {
+        return (Boolean) Sessions.getCurrent().getAttribute(
+                orderCode + "-inheritanceFilter");
+    }
+
+    public static void writeOrderStartDate(String orderCode, Date date) {
+        Sessions.getCurrent()
+                .setAttribute(orderCode + "-startDateFilter", date);
+    }
+    public static void writeOrderEndDate(String orderCode, Date date) {
+        Sessions.getCurrent().setAttribute(orderCode + "-endDateFilter", date);
+    }
+    public static void writeOrderTaskName(String orderCode, String name) {
+        Sessions.getCurrent().setAttribute(orderCode + "-tasknameFilter", name);
+    }
+
+}