diff --git a/consumer-backend/productpass/pom.xml b/consumer-backend/productpass/pom.xml
index 57dbc46a3..7e5119f44 100644
--- a/consumer-backend/productpass/pom.xml
+++ b/consumer-backend/productpass/pom.xml
@@ -33,7 +33,7 @@
 	</parent>
 	<groupId>org.eclipse.tractusx</groupId>
 	<artifactId>productpass</artifactId>
-	<version>0.8.0-SNAPSHOT</version>
+	<version>1.0.0-SNAPSHOT</version>
     <packaging>jar</packaging>
 	<name>Catena-X Digital Product Passport Backend</name>
 	<description>Product Passport Consumer Backend System for Product Passport Consumer Frontend Application</description>
diff --git a/consumer-backend/productpass/readme.md b/consumer-backend/productpass/readme.md
index b35102b2a..e4c4febad 100644
--- a/consumer-backend/productpass/readme.md
+++ b/consumer-backend/productpass/readme.md
@@ -23,7 +23,7 @@
 <h1 style="display:flex; align-items: center;"><img src="../../docs/catena-x-logo.svg"/>&nbsp;&nbsp;Digital Product Pass Backend</h1>
 
 
-<h2><strong>Version</strong>: <span style="color: cyan">0.8.0-SNAPSHOT</span><h2>
+<h2><strong>Version</strong>: <span style="color: cyan">1.0.0-SNAPSHOT</span><h2>
 
 <br>
 
diff --git a/consumer-backend/productpass/src/main/java/org/eclipse/tractusx/productpass/models/negotiation/CatalogRequest.java b/consumer-backend/productpass/src/main/java/org/eclipse/tractusx/productpass/models/negotiation/CatalogRequest.java
index 7406875e6..be1f539a5 100644
--- a/consumer-backend/productpass/src/main/java/org/eclipse/tractusx/productpass/models/negotiation/CatalogRequest.java
+++ b/consumer-backend/productpass/src/main/java/org/eclipse/tractusx/productpass/models/negotiation/CatalogRequest.java
@@ -29,6 +29,8 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.JsonNode;
 
+import java.util.List;
+
 @JsonInclude(JsonInclude.Include.NON_NULL)
 public class CatalogRequest {
     @JsonProperty("@context")
@@ -92,6 +94,11 @@ public void setQuerySpec(QuerySpec querySpec) {
 
     @JsonInclude(JsonInclude.Include.NON_NULL)
     public static class QuerySpec {
+
+        @JsonProperty("filterExpression")
+        List<FilterExpression> filterExpression;
+
+
         @JsonProperty("offset")
         Integer offset;
 
@@ -116,6 +123,57 @@ public QuerySpec(Integer offset, Integer limit, String filter, Range range, Stri
         public QuerySpec() {
         }
 
+        public List<FilterExpression> getFilterExpression() {
+            return filterExpression;
+        }
+
+        public void setFilterExpression(List<FilterExpression> filterExpression) {
+            this.filterExpression = filterExpression;
+        }
+        @JsonInclude(JsonInclude.Include.NON_NULL)
+        public static class FilterExpression{
+            @JsonProperty("operandLeft")
+            String operandLeft;
+
+            @JsonProperty("operator")
+            String operator;
+
+            @JsonProperty("operandRight")
+            String operandRight;
+
+            public FilterExpression(String operandLeft, String operator, String operandRight) {
+                this.operandLeft = operandLeft;
+                this.operator = operator;
+                this.operandRight = operandRight;
+            }
+
+            public FilterExpression() {
+            }
+
+            public String getOperandLeft() {
+                return operandLeft;
+            }
+
+            public void setOperandLeft(String operandLeft) {
+                this.operandLeft = operandLeft;
+            }
+
+            public String getOperator() {
+                return operator;
+            }
+
+            public void setOperator(String operator) {
+                this.operator = operator;
+            }
+
+            public String getOperandRight() {
+                return operandRight;
+            }
+
+            public void setOperandRight(String operandRight) {
+                this.operandRight = operandRight;
+            }
+        }
         @JsonInclude(JsonInclude.Include.NON_NULL)
         public static class Range {
             @JsonProperty("from")