diff --git a/service/src/main/java/gov/nasa/pds/api/registry/controllers/ProductsController.java b/service/src/main/java/gov/nasa/pds/api/registry/controllers/ProductsController.java
index 2dba1106..3fc31667 100644
--- a/service/src/main/java/gov/nasa/pds/api/registry/controllers/ProductsController.java
+++ b/service/src/main/java/gov/nasa/pds/api/registry/controllers/ProductsController.java
@@ -249,11 +249,7 @@ public ResponseEntity<Object> productList(List<String> fields, List<String> keyw
       Integer limit, String q, List<String> sort, List<String> searchAfter) throws Exception {
 
     SearchRequest searchRequest = new RegistrySearchRequestBuilder(this.connectionContext)
-            .constrainByQueryString(q)
-            .addKeywordsParam(keywords)
-            .fieldsFromStrings(fields)
-            .paginate(limit, sort, searchAfter)
-            .onlyLatest()
+            .applyMultipleProductsDefaults(fields, q, keywords, limit, sort, searchAfter, true)
             .build();
 
     SearchResponse<HashMap> searchResponse =
@@ -299,7 +295,7 @@ private HashMap<String, Object> getLatestLidVid(PdsProductIdentifier identifier,
     SearchRequest searchRequest = new RegistrySearchRequestBuilder(this.connectionContext)
             .matchLid(identifier)
             .fieldsFromStrings(fields)
-            .onlyLatest()
+            .excludeSupersededProducts()
             .build();
 
     // useless to detail here that the HashMap is parameterized <String, Object>
@@ -347,7 +343,7 @@ private PdsProductClasses resolveProductClass(PdsProductIdentifier identifier)
     SearchRequest searchRequest = new RegistrySearchRequestBuilder(this.connectionContext)
             .matchLid(identifier)
             .fieldsFromStrings(List.of(PdsProductClasses.getPropertyName()))
-            .onlyLatest()
+            .excludeSupersededProducts()
             .build();
 
     SearchResponse<HashMap> searchResponse = this.openSearchClient.search(searchRequest, HashMap.class);
@@ -367,7 +363,7 @@ private PdsLidVid resolveLatestLidvid(PdsProductIdentifier identifier)
     SearchRequest searchRequest = new RegistrySearchRequestBuilder(this.connectionContext)
             .matchLid(identifier.getLid())
             .fieldsFromStrings(List.of())
-            .onlyLatest()
+            .excludeSupersededProducts()
             .build();
 
     SearchResponse<HashMap> searchResponse = this.openSearchClient.search(searchRequest, HashMap.class);
@@ -437,9 +433,7 @@ public ResponseEntity<Object> productMembers(
       }
 
       SearchRequest searchRequest = searchRequestBuilder
-              .fieldsFromStrings(fields)
-              .paginate(limit, sort, searchAfter)
-              .onlyLatest()
+              .applyMultipleProductsDefaults(fields, "", List.of(), limit, sort, searchAfter, true)
               .build();
 
       SearchResponse<HashMap> searchResponse =
@@ -449,7 +443,7 @@ public ResponseEntity<Object> productMembers(
 
       return formatMultipleProducts(products, fields);
 
-    } catch (IOException | OpenSearchException e) {
+    } catch (IOException | OpenSearchException | UnparsableQParamException e) {
       throw new UnhandledException(e);
     }
   }
@@ -476,9 +470,7 @@ public ResponseEntity<Object> productMembersMembers(
       }
 
       SearchRequest searchRequest = searchRequestBuilder
-              .fieldsFromStrings(fields)
-              .paginate(limit, sort, searchAfter)
-              .onlyLatest()
+              .applyMultipleProductsDefaults(fields, "", List.of(), limit, sort, searchAfter, true)
               .build();
 
       SearchResponse<HashMap> searchResponse =
@@ -488,7 +480,7 @@ public ResponseEntity<Object> productMembersMembers(
 
       return formatMultipleProducts(products, fields);
 
-    } catch (IOException | OpenSearchException e) {
+    } catch (IOException | OpenSearchException | UnparsableQParamException e) {
       throw new UnhandledException(e);
     }
   }
@@ -533,7 +525,7 @@ private List<PdsLidVid> resolveLidVidsFromProductField(PdsProductIdentifier iden
   public ResponseEntity<Object> productMemberOf(
           String identifier, List<String> fields, Integer limit, List<String> sort, List<String> searchAfter)
           throws NotFoundException, UnhandledException, SortSearchAfterMismatchException, BadRequestException,
-          AcceptFormatNotSupportedException{
+          AcceptFormatNotSupportedException, UnparsableQParamException {
 
     try{
       PdsProductIdentifier pdsIdentifier = PdsProductIdentifier.fromString(identifier);
@@ -551,10 +543,8 @@ public ResponseEntity<Object> productMemberOf(
       }
 
       SearchRequest searchRequest = new RegistrySearchRequestBuilder(this.connectionContext)
+              .applyMultipleProductsDefaults(fields, "", List.of(), limit, sort, searchAfter, true)
               .matchFieldAnyOfIdentifiers("_id", parentIds)
-              .fieldsFromStrings(fields)
-              .paginate(limit, sort, searchAfter)
-              .onlyLatest()
               .build();
 
       SearchResponse<HashMap> searchResponse =
@@ -573,7 +563,7 @@ public ResponseEntity<Object> productMemberOf(
   public ResponseEntity<Object> productMemberOfOf(
           String identifier, List<String> fields, Integer limit, List<String> sort, List<String> searchAfter)
           throws NotFoundException, UnhandledException, SortSearchAfterMismatchException, BadRequestException,
-          AcceptFormatNotSupportedException{
+          AcceptFormatNotSupportedException, UnparsableQParamException {
 
     try{
       PdsProductIdentifier pdsIdentifier = PdsProductIdentifier.fromString(identifier);
@@ -590,10 +580,8 @@ public ResponseEntity<Object> productMemberOfOf(
       }
 
       SearchRequest searchRequest = new RegistrySearchRequestBuilder(this.connectionContext)
+              .applyMultipleProductsDefaults(fields, "", List.of(), limit, sort, searchAfter, true)
               .matchFieldAnyOfIdentifiers("_id", parentIds)
-              .fieldsFromStrings(fields)
-              .paginate(limit, sort, searchAfter)
-              .onlyLatest()
               .build();
 
       SearchResponse<HashMap> searchResponse =
@@ -619,12 +607,8 @@ public ResponseEntity<Object> classList(String propertyClass, List<String> field
     }
 
     SearchRequest searchRequest = new RegistrySearchRequestBuilder(this.connectionContext)
+            .applyMultipleProductsDefaults(fields, q, keywords, limit, sort, searchAfter, true)
             .matchProductClass(pdsProductClass)
-            .constrainByQueryString(q)
-            .addKeywordsParam(keywords)
-            .fieldsFromStrings(fields)
-            .paginate(limit, sort, searchAfter)
-            .onlyLatest()
             .build();
 
     SearchResponse<HashMap> searchResponse =
diff --git a/service/src/main/java/gov/nasa/pds/api/registry/search/RegistrySearchRequestBuilder.java b/service/src/main/java/gov/nasa/pds/api/registry/search/RegistrySearchRequestBuilder.java
index 66e3e065..ab1ed850 100644
--- a/service/src/main/java/gov/nasa/pds/api/registry/search/RegistrySearchRequestBuilder.java
+++ b/service/src/main/java/gov/nasa/pds/api/registry/search/RegistrySearchRequestBuilder.java
@@ -106,6 +106,39 @@ public BoolQuery.Builder getQueryBuilder() {
     return this.queryBuilder;
   }
 
+  /**
+   * Applies a common set of constraints and other build options which generally apply to any endpoint which queries
+   * OpenSearch for a result-set of multiple products.
+   * @param includeFieldNames - which properties to include in the results (JSON format, not OpenSearch format)
+   * @param queryString - a querystring (q=) to constrain the result-set by
+   * @param keywords - a set of keyword matches to <exact behaviour TBD - not implemented yet>
+   * @param pageSize - the page size to use for pagination
+   * @param sortFieldNames - the fields by which results are sorted (ascending), from highest to lowest priority
+   * @param searchAfterFieldValues - the values corresponding to the sort fields, for pagination
+   * @param excludeSupersededProducts - whether to exclude superseded products from the result set
+   */
+  public RegistrySearchRequestBuilder applyMultipleProductsDefaults(
+          List<String> includeFieldNames,
+          String queryString,
+          List<String> keywords,
+          Integer pageSize,
+          List<String> sortFieldNames,
+          List<String> searchAfterFieldValues,
+          Boolean excludeSupersededProducts
+  ) throws UnparsableQParamException, SortSearchAfterMismatchException {
+    this
+      .fieldsFromStrings(includeFieldNames)
+      .constrainByQueryString(queryString)
+      .addKeywordsParam(keywords)
+      .paginate(pageSize, sortFieldNames, searchAfterFieldValues);
+
+    if (excludeSupersededProducts) {
+      this.excludeSupersededProducts();
+    }
+
+    return this;
+  }
+
   public SearchRequest build() {
     this.query(this.queryBuilder.build().toQuery());
     this.trackTotalHits(t -> t.enabled(true));
@@ -325,7 +358,7 @@ public RegistrySearchRequestBuilder addKeywordsParam(List<String> keywords) {
    * N.B. this does *not* mean the latest version which satisfies other constraints, so application of this constraint
    * can result in no hits being returned despite valid results existing.
    */
-  public RegistrySearchRequestBuilder onlyLatest() {
+  public RegistrySearchRequestBuilder excludeSupersededProducts() {
 
     ExistsQuery supersededByExists = new ExistsQuery.Builder()
             .field("ops:Provenance/ops:superseded_by")