diff --git a/pollux/prex/src/main/scala/org/hyperledger/identus/pollux/prex/PresentationSubmissionVerification.scala b/pollux/prex/src/main/scala/org/hyperledger/identus/pollux/prex/PresentationSubmissionVerification.scala
index 4d766a4a0d..f0e616a795 100644
--- a/pollux/prex/src/main/scala/org/hyperledger/identus/pollux/prex/PresentationSubmissionVerification.scala
+++ b/pollux/prex/src/main/scala/org/hyperledger/identus/pollux/prex/PresentationSubmissionVerification.scala
@@ -160,6 +160,13 @@ object PresentationSubmissionVerification {
               }
             } yield ()
           }
+          .catchAll { errors =>
+            // if all paths don't satisfy constraints, but optional, then the field is still valid
+            // https://identity.foundation/presentation-exchange/spec/v2.1.1/#input-evaluation
+            if field.optional.getOrElse(false)
+            then ZIO.unit
+            else ZIO.fail(errors)
+          }
           .mapError(_ => ClaimNotSatisfyInputConstraint(descriptor.id))
       }
       .unit
diff --git a/pollux/prex/src/test/scala/org/hyperledger/identus/pollux/prex/PresentationSubmissionVerificationSpec.scala b/pollux/prex/src/test/scala/org/hyperledger/identus/pollux/prex/PresentationSubmissionVerificationSpec.scala
index a1618cf104..cde4360ddb 100644
--- a/pollux/prex/src/test/scala/org/hyperledger/identus/pollux/prex/PresentationSubmissionVerificationSpec.scala
+++ b/pollux/prex/src/test/scala/org/hyperledger/identus/pollux/prex/PresentationSubmissionVerificationSpec.scala
@@ -153,7 +153,7 @@ object PresentationSubmissionVerificationSpec extends ZIOSpecDefault {
       val jwtVc = generateJwtVc(payload)
       assertSubmissionVerification("[]", "[]", jwtVc)(succeeds(anything))
     },
-    test("one matching descriptor and submission") {
+    test("one descriptor and corresponding submission") {
       val payload = generateVcPayload(parseUnsafe("""{"name": "alice"}"""))
       val jwtVc = generateJwtVc(payload)
       assertSubmissionVerification(
@@ -435,11 +435,64 @@ object PresentationSubmissionVerificationSpec extends ZIOSpecDefault {
           """.stripMargin,
         jwtVp
       )(succeeds(anything))
+    },
+    test("descriptor with optional field and submission that omit optional fields") {
+      val payload = generateVcPayload(parseUnsafe("""{"gpa": 4.00}"""))
+      val jwtVc = generateJwtVc(payload)
+      assertSubmissionVerification(
+        """[
+          |  {
+          |    "id": "university_degree",
+          |    "constraints": {
+          |      "fields": [
+          |        {
+          |          "path": ["$.vc.credentialSubject.name"],
+          |          "optional": true
+          |        }
+          |      ]
+          |    }
+          |  }
+          |]
+          """.stripMargin,
+        """[
+          |  {"id": "university_degree", "format": "jwt_vc", "path": "$"}
+          |]
+          """.stripMargin,
+        jwtVc
+      )(succeeds(anything))
+    },
+    test("descriptor with optional field and submission with optional fields that don't satisfy constraints") {
+      val payload = generateVcPayload(parseUnsafe("""{"name": "alice"}"""))
+      val jwtVc = generateJwtVc(payload)
+      assertSubmissionVerification(
+        """[
+          |  {
+          |    "id": "university_degree",
+          |    "constraints": {
+          |      "fields": [
+          |        {
+          |          "path": ["$.vc.credentialSubject.name"],
+          |          "optional": true,
+          |          "filter": {
+          |            "type": "string",
+          |            "const": "bob"
+          |          }
+          |        }
+          |      ]
+          |    }
+          |  }
+          |]
+          """.stripMargin,
+        """[
+          |  {"id": "university_degree", "format": "jwt_vc", "path": "$"}
+          |]
+          """.stripMargin,
+        jwtVc
+      )(succeeds(anything))
     }
-    /* TODO
-     * - test for optional field
-     * - test for format verification failure
-     */
   )
+  /* TODO
+   * - test for format verification failure
+   */
 
 }