diff --git a/pom.xml b/pom.xml
index 80fe937..18fd2a3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 	</parent>
 	<groupId>edu.stanford.protege</groupId>
 	<artifactId>webprotege-forms</artifactId>
-	<version>1.1.3</version>
+	<version>1.1.5</version>
 	<name>webprotege-forms</name>
 	<description>Data structures and request/responses for forms</description>
 	<properties>
diff --git a/src/main/java/edu/stanford/protege/webprotege/forms/PropertyNames.java b/src/main/java/edu/stanford/protege/webprotege/forms/PropertyNames.java
new file mode 100644
index 0000000..976557b
--- /dev/null
+++ b/src/main/java/edu/stanford/protege/webprotege/forms/PropertyNames.java
@@ -0,0 +1,137 @@
+package edu.stanford.protege.webprotege.forms;
+
+/**
+ * Matthew Horridge
+ * Stanford Center for Biomedical Informatics Research
+ * 2024-06-18
+ */
+public interface PropertyNames {
+
+    String DESCRIPTOR = "descriptor";
+
+    String CONTROL = "control";
+
+    String CRITERIA = "criteria";
+
+    String MATCH_TYPE = "matchType";
+
+    String ENTITY = "entity";
+
+    String DEPTH = "depth";
+
+    String SUBJECT = "subject";
+
+    String REGION_ID = "regionId";
+
+    String COLUMN_ID = "columnId";
+
+    String VALUES = "values";
+
+    String FILTER_STATE = "filterState";
+
+    String ROWS = "rows";
+
+    String ORDERING = "ordering";
+
+    String CELLS = "cells";
+
+    String IRI = "iri";
+
+    String LITERAL = "literal";
+
+    String VALUE = "value";
+
+    String CHOICE = "choice";
+
+    String LABEL = "label";
+
+    String PLACEHOLDER = "placeholder";
+
+    String CHOICES = "choices";
+
+    String ID = "id";
+
+    String OWL_BINDING = "owlBinding";
+
+    String FIELD_RUN = "fieldRun";
+
+    String REPEATABILITY = "repeatability";
+
+    String OPTIONALITY = "optionality";
+
+    String READ_ONLY = "readOnly";
+
+    String INITIAL_EXPANSIONS_STATE = "initialExpansionState";
+
+    String HELP = "help";
+
+    String DEPRECATION_STRATEGY = "deprecationStrategy";
+
+    String DIRECTION = "direction";
+
+    String COLUMNS = "columns";
+
+    String SUBJECT_FACTORY = "subjectFactory";
+
+    String CHOICES_SOURCE = "choicesSource";
+
+    String FORMAT = "format";
+
+    String RANGE = "range";
+
+    String WIDGET_TYPE = "widgetType";
+
+    String LENGTH = "length";
+
+    String LOWER_BOUND = "lowerBound";
+
+    String UPPER_BOUND = "upperBound";
+
+    String LOWER_BOUND_TYPE = "lowerBoundType";
+
+    String UPPER_BOUND_TYPE = "upperBoundType";
+
+    String PROPERTY = "property";
+
+    String DEFAULT_CHOICE = "defaultChoice";
+
+    String STRING_TYPE = "stringType";
+
+    String SPECIFIC_LANG_TAG = "specificLangTag";
+
+    String LINE_MODE = "lineMode";
+
+    String PATTERN = "pattern";
+
+    String PATTERN_VIOLATION_ERROR_MESSAGE = "patternViolationErrorMessage";
+
+    String PROJECT_ID = "projectId";
+
+    String FORM_ID = "formId";
+
+    String PURPOSE = "purpose";
+
+    String FIELDS = "fields";
+
+    String ORDINAL = "ordinal";
+
+    String DESCRIPTION = "description";
+
+    String FORMS = "forms";
+
+    String SOURCE_TYPE = "sourceType";
+
+    String PAGE_REQUEST = "pageRequest";
+
+    String ENTITY_TYPE = "entityType";
+
+    String PARENT = "parent";
+
+    String TARGET_ONTOLOGY_IRI = "targetOntologyIri";
+
+    String FORM = "form";
+
+    String DATA = "data";
+
+    String FIELD = "field";
+}
diff --git a/src/main/java/edu/stanford/protege/webprotege/forms/data/EntityNameControlData.java b/src/main/java/edu/stanford/protege/webprotege/forms/data/EntityNameControlData.java
index 2f04a2a..97984a4 100644
--- a/src/main/java/edu/stanford/protege/webprotege/forms/data/EntityNameControlData.java
+++ b/src/main/java/edu/stanford/protege/webprotege/forms/data/EntityNameControlData.java
@@ -24,7 +24,7 @@ public abstract class EntityNameControlData implements FormControlData {
 
     @JsonCreator
     public static EntityNameControlData get(@JsonProperty("descriptor") @Nonnull EntityNameControlDescriptor descriptor,
-                                            @JsonProperty("term") @Nullable OWLEntity entity) {
+                                            @JsonProperty("entity") @Nullable OWLEntity entity) {
         return new AutoValue_EntityNameControlData(descriptor, entity);
     }
 
@@ -39,6 +39,7 @@ public void accept(@Nonnull FormControlDataVisitor visitor) {
     }
 
     @Nonnull
+    @JsonProperty("descriptor")
     public abstract EntityNameControlDescriptor getDescriptor();
 
     @Nullable
diff --git a/src/main/java/edu/stanford/protege/webprotege/forms/data/GridCellData.java b/src/main/java/edu/stanford/protege/webprotege/forms/data/GridCellData.java
index fc26e07..adbe0ca 100644
--- a/src/main/java/edu/stanford/protege/webprotege/forms/data/GridCellData.java
+++ b/src/main/java/edu/stanford/protege/webprotege/forms/data/GridCellData.java
@@ -1,7 +1,9 @@
 package edu.stanford.protege.webprotege.forms.data;
 
+import com.fasterxml.jackson.annotation.*;
 import com.google.auto.value.AutoValue;
 import edu.stanford.protege.webprotege.common.Page;
+import edu.stanford.protege.webprotege.forms.PropertyNames;
 import edu.stanford.protege.webprotege.forms.field.GridColumnId;
 import org.semanticweb.owlapi.model.OWLEntity;
 import org.semanticweb.owlapi.model.OWLLiteral;
@@ -20,7 +22,9 @@
 
 public abstract class GridCellData {
 
-    public static GridCellData get(@Nonnull GridColumnId columnId, @Nullable Page<FormControlData> values) {
+    @JsonCreator
+    public static GridCellData get(@JsonProperty(PropertyNames.COLUMN_ID) @Nonnull GridColumnId columnId,
+                                   @JsonProperty(PropertyNames.VALUES) @Nullable Page<FormControlData> values) {
         return new AutoValue_GridCellData(columnId, values);
     }
 
@@ -57,9 +61,11 @@ public int compareTo(GridCellData otherCellData) {
         return 0;
     }
 
+    @JsonProperty(PropertyNames.COLUMN_ID)
     @Nonnull
     public abstract GridColumnId getColumnId();
 
+    @JsonProperty(PropertyNames.VALUES)
     @Nonnull
     public abstract Page<FormControlData> getValues();
 }
diff --git a/src/main/java/edu/stanford/protege/webprotege/forms/data/GridControlData.java b/src/main/java/edu/stanford/protege/webprotege/forms/data/GridControlData.java
index 862d978..4e4c880 100644
--- a/src/main/java/edu/stanford/protege/webprotege/forms/data/GridControlData.java
+++ b/src/main/java/edu/stanford/protege/webprotege/forms/data/GridControlData.java
@@ -1,9 +1,10 @@
 package edu.stanford.protege.webprotege.forms.data;
 
-import com.fasterxml.jackson.annotation.JsonTypeName;
+import com.fasterxml.jackson.annotation.*;
 import com.google.auto.value.AutoValue;
 import com.google.common.collect.ImmutableSet;
 import edu.stanford.protege.webprotege.common.Page;
+import edu.stanford.protege.webprotege.forms.PropertyNames;
 import edu.stanford.protege.webprotege.forms.field.FormRegionOrdering;
 import edu.stanford.protege.webprotege.forms.field.GridControlDescriptor;
 
@@ -19,10 +20,11 @@
 @JsonTypeName("GridControlData")
 public abstract class GridControlData implements ComplexFormControlValue {
 
+    @JsonCreator
     @Nonnull
-    public static GridControlData get(@Nonnull GridControlDescriptor descriptor,
-                                      @Nonnull Page<GridRowData> rows,
-                                      @Nonnull ImmutableSet<FormRegionOrdering> ordering) {
+    public static GridControlData get(@JsonProperty(PropertyNames.DESCRIPTOR) @Nonnull GridControlDescriptor descriptor,
+                                      @JsonProperty(PropertyNames.ROWS) @Nonnull Page<GridRowData> rows,
+                                      @JsonProperty(PropertyNames.ORDERING) @Nonnull ImmutableSet<FormRegionOrdering> ordering) {
         return new AutoValue_GridControlData(descriptor, rows, ordering);
     }
 
@@ -36,12 +38,15 @@ public void accept(@Nonnull FormControlDataVisitor visitor) {
         visitor.visit(this);
     }
 
+    @JsonProperty(PropertyNames.DESCRIPTOR)
     @Nonnull
     public abstract GridControlDescriptor getDescriptor();
 
+    @JsonProperty(PropertyNames.ROWS)
     @Nonnull
     public abstract Page<GridRowData> getRows();
 
+    @JsonProperty(PropertyNames.ORDERING)
     @Nonnull
     public abstract ImmutableSet<FormRegionOrdering> getOrdering();
 }
diff --git a/src/main/java/edu/stanford/protege/webprotege/forms/data/GridRowData.java b/src/main/java/edu/stanford/protege/webprotege/forms/data/GridRowData.java
index 34ee041..7fbe573 100644
--- a/src/main/java/edu/stanford/protege/webprotege/forms/data/GridRowData.java
+++ b/src/main/java/edu/stanford/protege/webprotege/forms/data/GridRowData.java
@@ -1,7 +1,11 @@
 package edu.stanford.protege.webprotege.forms.data;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.google.auto.value.AutoValue;
 import com.google.common.collect.ImmutableList;
+import edu.stanford.protege.webprotege.forms.PropertyNames;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -16,19 +20,24 @@
 
 public abstract class GridRowData implements Comparable<GridRowData> {
 
-    public static GridRowData get(@Nullable FormEntitySubject subject, @Nonnull ImmutableList<GridCellData> cellData) {
+    @JsonCreator
+    public static GridRowData get(@JsonProperty(PropertyNames.SUBJECT) @Nullable FormEntitySubject subject,
+                                  @JsonProperty(PropertyNames.CELLS) @Nonnull ImmutableList<GridCellData> cellData) {
         return new AutoValue_GridRowData(subject, cellData);
     }
 
 
+    @JsonProperty(PropertyNames.SUBJECT)
     @Nullable
     protected abstract FormEntitySubject getSubjectInternal();
 
+    @JsonIgnore
     @Nonnull
     public Optional<FormEntitySubject> getSubject() {
         return Optional.ofNullable(getSubjectInternal());
     }
 
+    @JsonProperty(PropertyNames.CELLS)
     @Nonnull
     public abstract ImmutableList<GridCellData> getCells();
 
diff --git a/src/main/java/edu/stanford/protege/webprotege/forms/data/MultiChoiceControlData.java b/src/main/java/edu/stanford/protege/webprotege/forms/data/MultiChoiceControlData.java
index c5e316a..6616a3a 100644
--- a/src/main/java/edu/stanford/protege/webprotege/forms/data/MultiChoiceControlData.java
+++ b/src/main/java/edu/stanford/protege/webprotege/forms/data/MultiChoiceControlData.java
@@ -1,5 +1,6 @@
 package edu.stanford.protege.webprotege.forms.data;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.google.auto.value.AutoValue;
@@ -18,6 +19,8 @@
 @JsonTypeName("MultiChoiceControlData")
 public abstract class MultiChoiceControlData implements FormControlData {
 
+
+    @JsonCreator
     public static MultiChoiceControlData get(@JsonProperty("descriptor") @Nonnull MultiChoiceControlDescriptor descriptor,
                                              @JsonProperty("values") @Nonnull ImmutableList<PrimitiveFormControlData> values) {
         return new AutoValue_MultiChoiceControlData(descriptor, values);
diff --git a/src/main/java/edu/stanford/protege/webprotege/forms/data/NumberControlData.java b/src/main/java/edu/stanford/protege/webprotege/forms/data/NumberControlData.java
index f0e4438..a66ef0a 100644
--- a/src/main/java/edu/stanford/protege/webprotege/forms/data/NumberControlData.java
+++ b/src/main/java/edu/stanford/protege/webprotege/forms/data/NumberControlData.java
@@ -23,7 +23,7 @@
 public abstract class NumberControlData implements FormControlData {
 
     @JsonCreator
-    public static NumberControlData get(@Nonnull NumberControlDescriptor descriptor, @Nullable OWLLiteral value) {
+    public static NumberControlData get(@Nonnull @JsonProperty("descriptor") NumberControlDescriptor descriptor,  @JsonProperty("value") @Nullable OWLLiteral value) {
         return new AutoValue_NumberControlData(descriptor, value);
     }
 
@@ -38,6 +38,7 @@ public void accept(@Nonnull FormControlDataVisitor visitor) {
     }
 
     @Nonnull
+    @JsonProperty("descriptor")
     public abstract NumberControlDescriptor getDescriptor();
 
     @JsonProperty("value")
diff --git a/src/main/java/edu/stanford/protege/webprotege/forms/data/SingleChoiceControlData.java b/src/main/java/edu/stanford/protege/webprotege/forms/data/SingleChoiceControlData.java
index 03a16c5..cfb1c85 100644
--- a/src/main/java/edu/stanford/protege/webprotege/forms/data/SingleChoiceControlData.java
+++ b/src/main/java/edu/stanford/protege/webprotege/forms/data/SingleChoiceControlData.java
@@ -38,6 +38,7 @@ public void accept(@Nonnull FormControlDataVisitor visitor) {
     }
 
     @Nonnull
+    @JsonProperty("descriptor")
     public abstract SingleChoiceControlDescriptor getDescriptor();
 
     @JsonProperty("choice")