diff --git a/src/main/java/org/broadinstitute/consent/http/models/DataAccessRequest.java b/src/main/java/org/broadinstitute/consent/http/models/DataAccessRequest.java
index 799a0be9c..f53ea3843 100644
--- a/src/main/java/org/broadinstitute/consent/http/models/DataAccessRequest.java
+++ b/src/main/java/org/broadinstitute/consent/http/models/DataAccessRequest.java
@@ -353,7 +353,7 @@ public static DataAccessRequest populateProgressReportFromJsonString(
     originalDataCopy.setExternalCollaborators(newData.getExternalCollaborators());
     originalDataCopy.setLabCollaborators(newData.getLabCollaborators());
     originalDataCopy.setProgressReportSummary(newData.getProgressReportSummary());
-    originalDataCopy.setIntellectualProperty(newData.getIntellectualProperty());
+    originalDataCopy.setIntellectualProperties(newData.getIntellectualProperties());
     originalDataCopy.setPublications(newData.getPublications());
     originalDataCopy.setPresentations(newData.getPresentations());
     originalDataCopy.setDmi(newData.getDmi());
diff --git a/src/main/java/org/broadinstitute/consent/http/models/DataAccessRequestData.java b/src/main/java/org/broadinstitute/consent/http/models/DataAccessRequestData.java
index d79edd870..e24d3ed76 100644
--- a/src/main/java/org/broadinstitute/consent/http/models/DataAccessRequestData.java
+++ b/src/main/java/org/broadinstitute/consent/http/models/DataAccessRequestData.java
@@ -124,7 +124,7 @@ public class DataAccessRequestData {
 
   // Progress Report/Closeout Fields
   private String progressReportSummary;
-  private List<IntellectualProperty> intellectualProperty;
+  private List<IntellectualProperty> intellectualProperties;
   private List<Publication> publications;
   private List<Presentation> presentations;
   private DataManagementIncident dmi;
@@ -709,12 +709,12 @@ public void setProgressReportSummary(String progressReportSummary) {
     this.progressReportSummary = progressReportSummary;
   }
 
-  public List<IntellectualProperty> getIntellectualProperty() {
-    return intellectualProperty;
+  public List<IntellectualProperty> getIntellectualProperties() {
+    return intellectualProperties;
   }
 
-  public void setIntellectualProperty(List<IntellectualProperty> intellectualProperty) {
-    this.intellectualProperty = intellectualProperty;
+  public void setIntellectualProperties(List<IntellectualProperty> intellectualProperties) {
+    this.intellectualProperties = intellectualProperties;
   }
 
   public List<Publication> getPublications() {
diff --git a/src/main/java/org/broadinstitute/consent/http/models/IntellectualProperty.java b/src/main/java/org/broadinstitute/consent/http/models/IntellectualProperty.java
index 4a30f55f6..8c2495d54 100644
--- a/src/main/java/org/broadinstitute/consent/http/models/IntellectualProperty.java
+++ b/src/main/java/org/broadinstitute/consent/http/models/IntellectualProperty.java
@@ -5,10 +5,9 @@
 public record IntellectualProperty(
     String type,
     String title,
-    String date,
     String assignee,
     String patentNumber,
-    Boolean filingDate,
+    String filingDate,
     String status,
     String url,
     String contact,
diff --git a/src/main/resources/changelog-master.xml b/src/main/resources/changelog-master.xml
index 20ed6a5a8..0ed849b27 100644
--- a/src/main/resources/changelog-master.xml
+++ b/src/main/resources/changelog-master.xml
@@ -216,4 +216,6 @@
     relativeToChangelogFile="true" />
   <include file="changesets/changelog-consent-2025-12-05-migrate-ip-presentations-publications.xml"
            relativeToChangelogFile="true" />
+  <include file="changesets/changelog-consent-2025-12-11-rename-intellectual-property-to-properties.xml"
+           relativeToChangelogFile="true" />
 </databaseChangeLog>
diff --git a/src/main/resources/changesets/changelog-consent-2025-12-11-rename-intellectual-property-to-properties.xml b/src/main/resources/changesets/changelog-consent-2025-12-11-rename-intellectual-property-to-properties.xml
new file mode 100644
index 000000000..f47014176
--- /dev/null
+++ b/src/main/resources/changesets/changelog-consent-2025-12-11-rename-intellectual-property-to-properties.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+         https://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
+  <changeSet id="changelog-consent-2025-12-11-rename-intellectual-property-to-properties" author="kevinmarete">
+    <comment>
+      Rename intellectualProperty field to intellectualProperties in data_access_request table.
+      Transforms the singular field name to plural form.
+    </comment>
+    <sql>
+      UPDATE data_access_request
+      SET data = jsonb_set(
+        data #- '{intellectualProperty}',
+        '{intellectualProperties}',
+        data -> 'intellectualProperty'
+                 )
+      WHERE parent_id IS NOT NULL
+        AND data -> 'intellectualProperty' IS NOT NULL
+        AND data -> 'intellectualProperties' IS NULL;
+    </sql>
+  </changeSet>
+</databaseChangeLog>
\ No newline at end of file
diff --git a/src/test/java/org/broadinstitute/consent/http/service/DataAccessRequestServiceTest.java b/src/test/java/org/broadinstitute/consent/http/service/DataAccessRequestServiceTest.java
index 002788b26..59d86ac5e 100644
--- a/src/test/java/org/broadinstitute/consent/http/service/DataAccessRequestServiceTest.java
+++ b/src/test/java/org/broadinstitute/consent/http/service/DataAccessRequestServiceTest.java
@@ -901,15 +901,14 @@ private DataAccessRequest generateProgressReport() {
     progressReport.getData().setProgressReportSummary("Progress Report Summary");
     progressReport
         .getData()
-        .setIntellectualProperty(
+        .setIntellectualProperties(
             List.of(
                 new IntellectualProperty(
                     "Patent",
                     "Description of patent",
-                    "2024-01-01",
                     "Test Assignee",
                     "US12345678",
-                    true,
+                    "2024-01-01",
                     "Active",
                     "https://example.com",
                     "contact@example.com",