diff --git a/libV2/schemaUtils.js b/libV2/schemaUtils.js
index d35703b9..57a2a3d4 100644
--- a/libV2/schemaUtils.js
+++ b/libV2/schemaUtils.js
@@ -1258,23 +1258,75 @@ let QUERYPARAM = 'query',
       case 'form':
         if (explode && _.isObject(paramValue)) {
           const isArrayValue = _.isArray(paramValue);
-
-          _.forEach(paramValue, (value, key) => {
-            pmParams.push({
-              key: isArrayValue ? paramName : key,
-              value: (value === undefined ? '' : _.toString(value)),
-              description,
-              disabled
+          // Arrays
+          if (isArrayValue) {
+            _.forEach(paramValue, (value) => {
+              pmParams.push({
+                key: paramName,
+                value: (value === undefined ? '' : _.toString(value)),
+                description,
+                disabled
+              });
             });
-          });
+            return pmParams;
+          }
 
-          return pmParams;
+          // Objects:
+          // If declared properties exist, include only declared properties.
+          // Else, exclude top-level schema keys.
+          const schemaProps = _.get(param, 'schema.properties');
+          const hasProps = _.isObject(schemaProps) && !_.isEmpty(schemaProps);
+          if (hasProps) {
+            _.forEach(paramValue, (value, key) => {
+              if (!_.has(schemaProps, key)) { return; }
+              pmParams.push({
+                key,
+                value: (value === undefined ? '' : _.toString(value)),
+                description,
+                disabled
+              });
+            });
+          }
+          else {
+            const schemaKeys = Object.keys(_.get(param, 'schema', {}));
+            _.forEach(paramValue, (value, key) => {
+              if (schemaKeys.includes(key)) { return; }
+              pmParams.push({
+                key,
+                value: (value === undefined ? '' : _.toString(value)),
+                description,
+                disabled
+              });
+            });
+          }
+          if (pmParams.length) {
+            return pmParams;
+          }
         }
 
         break;
       case 'deepObject':
         if (_.isObject(paramValue) && !_.isArray(paramValue)) {
-          let extractedParams = extractDeepObjectParams(paramValue, paramName);
+          let filteredValue;
+          const schemaProps = _.get(param, 'schema.properties');
+          const hasProps = _.isObject(schemaProps) && !_.isEmpty(schemaProps);
+          if (hasProps) {
+            filteredValue = _.pick(paramValue, Object.keys(schemaProps));
+            // Strip each declared property's own schema keys from its value before extraction
+            _.forEach(filteredValue, (propValue, propName) => {
+              if (_.isObject(propValue)) {
+                // taking only the keys that are declared in the schema
+                const propSchemaKeys = Object.keys(_.get(schemaProps, propName, {}));
+                filteredValue[propName] = _.omit(propValue, propSchemaKeys);
+              }
+            });
+          }
+          else {
+            const schemaKeys = Object.keys(_.get(param, 'schema', {}));
+            filteredValue = _.omit(paramValue, schemaKeys);
+          }
+
+          let extractedParams = extractDeepObjectParams(filteredValue, paramName);
 
           _.forEach(extractedParams, (extractedParam) => {
             pmParams.push({
@@ -1284,8 +1336,9 @@ let QUERYPARAM = 'query',
               disabled
             });
           });
-
-          return pmParams;
+          if (pmParams.length) {
+            return pmParams;
+          }
         }
         else if (_.isArray(paramValue)) {
           isNotSerializable = true;
diff --git a/test/unit/convertV2WithTypes.test.js b/test/unit/convertV2WithTypes.test.js
index 38610dd9..03707fb8 100644
--- a/test/unit/convertV2WithTypes.test.js
+++ b/test/unit/convertV2WithTypes.test.js
@@ -174,6 +174,118 @@ describe('convertV2WithTypes', function() {
       });
   });
 
+  it('should not emit schema.deprecated as query param key for form+explode and keep original param', function(done) {
+    const oas = {
+      openapi: '3.0.0',
+      info: { title: 'Form Explode Deprecated Test', version: '1.0.0' },
+      paths: {
+        '/pets': {
+          get: {
+            parameters: [
+              {
+                name: 'qp',
+                in: 'query',
+                schema: { deprecated: true }
+              }
+            ],
+            responses: { '200': { description: 'ok' } }
+          }
+        }
+      }
+    };
+
+    Converter.convertV2WithTypes({ type: 'json', data: oas }, {}, (err, conversionResult) => {
+      expect(err).to.be.null;
+      expect(conversionResult.result).to.equal(true);
+
+      const items = conversionResult.output[0].data.item;
+      const request = items[0].item ? items[0].item[0].request : items[0].request;
+      const query = request.url.query || [];
+
+      expect(query.some((p) => { return p.key === 'deprecated'; })).to.equal(false);
+      expect(query.some((p) => { return p.key === 'qp'; })).to.equal(true);
+      done();
+    });
+  });
+
+  it('should not emit qp[deprecated] for deepObject and keep original param', function(done) {
+    const oas = {
+      openapi: '3.0.0',
+      info: { title: 'DeepObject Deprecated Test', version: '1.0.0' },
+      paths: {
+        '/pets': {
+          get: {
+            parameters: [
+              {
+                name: 'qp',
+                in: 'query',
+                style: 'deepObject',
+                explode: true,
+                schema: { deprecated: true }
+              }
+            ],
+            responses: { '200': { description: 'ok' } }
+          }
+        }
+      }
+    };
+
+    Converter.convertV2WithTypes({ type: 'json', data: oas }, {}, (err, conversionResult) => {
+      expect(err).to.be.null;
+      expect(conversionResult.result).to.equal(true);
+
+      const items = conversionResult.output[0].data.item;
+      const request = items[0].item ? items[0].item[0].request : items[0].request;
+      const query = request.url.query || [];
+
+      expect(query.some((p) => { return (/^qp\[deprecated\]/).test(p.key); })).to.equal(false);
+      expect(query.some((p) => { return p.key === 'qp'; })).to.equal(true);
+      done();
+    });
+  });
+
+  it('should include declared schema.properties (including keys like type) for form+explode', function(done) {
+    const oas = {
+      openapi: '3.0.0',
+      info: { title: 'Declared Properties Test', version: '1.0.0' },
+      paths: {
+        '/pets': {
+          get: {
+            parameters: [
+              {
+                name: 'qp',
+                in: 'query',
+                schema: {
+                  type: 'object',
+                  deprecated: true,
+                  properties: {
+                    name: { type: 'string' },
+                    type: { type: 'string', deprecated: true }
+                  }
+                }
+              }
+            ],
+            responses: { '200': { description: 'ok' } }
+          }
+        }
+      }
+    };
+
+    Converter.convertV2WithTypes({ type: 'json', data: oas }, {}, (err, conversionResult) => {
+      expect(err).to.be.null;
+      expect(conversionResult.result).to.equal(true);
+
+      const items = conversionResult.output[0].data.item;
+      const request = items[0].item ? items[0].item[0].request : items[0].request;
+      const query = request.url.query || [];
+
+      expect(query.some((p) => { return p.key === 'name'; })).to.equal(true);
+      expect(query.some((p) => { return p.key === 'type'; })).to.equal(true);
+      expect(query.some((p) => { return p.key === 'deprecated'; })).to.equal(false);
+      done();
+    });
+  });
+
   it('should resolve nested array and object schema types correctly in extractedTypes', function(done) {
     const example = {
         name: 'Buddy',