diff --git a/ProcessMaker/Traits/TaskControllerIndexMethods.php b/ProcessMaker/Traits/TaskControllerIndexMethods.php
index dcfa97bea0..84aa6aa9ae 100644
--- a/ProcessMaker/Traits/TaskControllerIndexMethods.php
+++ b/ProcessMaker/Traits/TaskControllerIndexMethods.php
@@ -349,13 +349,27 @@ private function advancedFilterHasStatus($request): bool
 
     private function advancedFilterHasSelfServiceStatus($request): bool
     {
-        foreach ($this->getAdvancedFilterArray($request) as $filter) {
+        return $this->filterDefinitionsContainSelfService($this->getAdvancedFilterArray($request));
+    }
+
+    /**
+     * Detect "Self Service" in Status filters, including nested `or` chains produced by the
+     * column filter UI (Status = X OR Status = Self Service).
+     */
+    private function filterDefinitionsContainSelfService(array $filters): bool
+    {
+        foreach ($filters as $filter) {
             $values = (array) ($filter['value'] ?? []);
-            foreach ($values as $v) {
-                if (mb_strtolower($v) === self::SELF_SERVICE_STATUS) {
+            foreach ($values as $value) {
+                if (is_string($value) && mb_strtolower($value) === self::SELF_SERVICE_STATUS) {
                     return true;
                 }
             }
+
+            $nestedOr = $filter['or'] ?? [];
+            if (is_array($nestedOr) && $nestedOr !== [] && $this->filterDefinitionsContainSelfService($nestedOr)) {
+                return true;
+            }
         }
 
         return false;
@@ -378,6 +392,52 @@ private function getAdvancedFilterArray($request): array
         });
     }
 
+    /**
+     * Remove Self Service values from a Status filter (including nested `or`), keeping other statuses.
+     * Returns null when nothing remains after stripping Self Service.
+     */
+    private function stripSelfServiceFromStatusFilter(array $filter): ?array
+    {
+        $values = is_array($filter['value'] ?? null) ? $filter['value'] : [$filter['value'] ?? null];
+        $values = array_values(array_filter($values, function ($value) {
+            return $value !== null && $value !== ''
+                && (!is_string($value) || mb_strtolower($value) !== self::SELF_SERVICE_STATUS);
+        }));
+
+        $nestedOr = [];
+        foreach ($filter['or'] ?? [] as $orFilter) {
+            if (!is_array($orFilter)) {
+                continue;
+            }
+            $stripped = $this->stripSelfServiceFromStatusFilter($orFilter);
+            if ($stripped !== null) {
+                $nestedOr[] = $stripped;
+            }
+        }
+
+        if ($values === [] && $nestedOr === []) {
+            return null;
+        }
+
+        if ($values === [] && $nestedOr !== []) {
+            $first = array_shift($nestedOr);
+            if ($nestedOr !== []) {
+                $first['or'] = array_values(array_merge($first['or'] ?? [], $nestedOr));
+            }
+
+            return $first;
+        }
+
+        $filter['value'] = count($values) === 1 ? $values[0] : $values;
+        if ($nestedOr === []) {
+            unset($filter['or']);
+        } else {
+            $filter['or'] = $nestedOr;
+        }
+
+        return $filter;
+    }
+
     private function removeStatusFromPmql(string $pmql): string
     {
         $pmql = preg_replace('/\s+AND\s+\(status\s*=\s*"[^"]*"\)/i', '', $pmql);
@@ -419,24 +479,12 @@ private function applyAdvancedFilter($query, $request)
                         continue;
                     }
 
-                    $values = is_array($filter['value']) ? $filter['value'] : [$filter['value']];
-                    $hasSelfServiceValue = in_array(
-                        self::SELF_SERVICE_STATUS,
-                        array_map(fn ($value) => is_string($value) ? mb_strtolower($value) : $value, $values),
-                        true
-                    );
-
-                    if ($hasSelfServiceValue) {
+                    if ($this->filterDefinitionsContainSelfService([$filter])) {
                         $hasSelfServiceFilter = true;
-                        $values = array_values(array_filter($values, function ($value) {
-                            return !is_string($value) || mb_strtolower($value) !== self::SELF_SERVICE_STATUS;
-                        }));
-
-                        if (empty($values)) {
+                        $filter = $this->stripSelfServiceFromStatusFilter($filter);
+                        if ($filter === null) {
                             continue;
                         }
-
-                        $filter['value'] = is_array($filter['value']) ? $values : $values[0];
                     }
 
                     $statusFilters[] = $filter;
diff --git a/resources/js/common/PMColumnFilterPopoverCommonMixin.js b/resources/js/common/PMColumnFilterPopoverCommonMixin.js
index a1d17aa8dc..a64739b2ac 100644
--- a/resources/js/common/PMColumnFilterPopoverCommonMixin.js
+++ b/resources/js/common/PMColumnFilterPopoverCommonMixin.js
@@ -160,10 +160,41 @@ const PMColumnFilterCommonMixin = {
     },
     onClear(index) {
       this.advancedFilter[index] = [];
+      // Inbox/tasks: clearing Status restores the default tray filter (In Progress, etc.)
+      // so Clear does not leave "no status" (all tasks) or fail to persist.
+      if (index === "status" && this.shouldRestoreDefaultTaskStatusFilter()) {
+        this.advancedFilter.status = [this.buildDefaultTaskStatusFilter()];
+      }
       this.markStyleWhenColumnSetAFilter();
       this.storeFilterConfiguration();
       this.fetch(true);
     },
+    shouldRestoreDefaultTaskStatusFilter() {
+      return typeof this.filterConfiguration === "function"
+        && this.filterConfiguration()?.type === "taskFilter";
+    },
+    getDefaultTaskInboxStatus() {
+      const statusParam = new URL(document.location).searchParams.get("status");
+      switch (statusParam) {
+        case "CLOSED":
+          return "Completed";
+        case "SELF_SERVICE":
+          return "Self Service";
+        default:
+          return "In Progress";
+      }
+    },
+    buildDefaultTaskStatusFilter() {
+      return {
+        subject: {
+          type: "Status",
+        },
+        operator: "=",
+        value: this.getDefaultTaskInboxStatus(),
+        _column_field: "status",
+        _column_label: "Status",
+      };
+    },
     onChangeSort(value, field) {
       this.setOrderByProps(field, value);
       this.markStyleWhenColumnSetAFilter();
@@ -182,6 +213,7 @@ const PMColumnFilterCommonMixin = {
       Object.keys(filterCopy).forEach((key) => {
         if (filterCopy[key].length === 0) {
           delete filterCopy[key];
+          return;
         }
         const label = this.tableHeaders.find(column => column.field === key)?.label;
         this.addAliases(filterCopy[key], key, label);
diff --git a/resources/js/components/PMColumnFilterPopover/PMColumnFilterForm.vue b/resources/js/components/PMColumnFilterPopover/PMColumnFilterForm.vue
index 6afe5f5dd5..cf65a81138 100644
--- a/resources/js/components/PMColumnFilterPopover/PMColumnFilterForm.vue
+++ b/resources/js/components/PMColumnFilterPopover/PMColumnFilterForm.vue
@@ -41,7 +41,7 @@
           <b-form-group :key="'logical' + index"
                         v-if="switchLogical(index)">
             <b-form-select v-model="item.logical" 
-                           :options="getLogicals()"
+                           :options="getLogicals(index)"
                            :data-cy="'logical' + index"
                            class="pm-filter-form-logical-operators"
                            @change="onChangeLogicalOp(item,index)"
@@ -121,6 +121,7 @@
         this.$emit("onChangeSort", value);
       },
       onApply() {
+        this.normalizeStatusLogicals();
         let json = this.getValues();
         this.$emit("onApply", json);
       },
@@ -134,22 +135,47 @@
       },
       onClickButtonAdd() {
         this.addItem(this.items.length);
+        this.normalizeStatusLogicals();
       },
       onClickButtonRemove(item, index) {
         if (this.items.length === 1) {
           return;
         }
         this.removeItem(index);
+        this.normalizeStatusLogicals();
       },
       onChangeOperator(item) {
         this.switchViewControl(item);
+        this.normalizeStatusLogicals();
       },
-      onChangeLogicalOp() {
+      onChangeLogicalOp(item, index) {
+        if (this.requiresStatusOrLogical(index)) {
+          item.logical = "or";
+        }
       },
       setValues(json) {
         let items = this.transformToFilterSyntax(json);
+        this.normalizeStatusLogicals(items);
         this.items = items;
       },
+      /**
+       * Status is a single-value enum column: AND between different statuses can never match.
+       * Force OR so multi-status filters mean "any of these statuses".
+       */
+      isStatusColumn() {
+        return this.value === "status";
+      },
+      requiresStatusOrLogical(index) {
+        return this.isStatusColumn() && this.switchLogical(index);
+      },
+      normalizeStatusLogicals(items = this.items) {
+        if (!this.isStatusColumn()) {
+          return;
+        }
+        for (let i = 0; i < items.length - 1; i++) {
+          items[i].logical = "or";
+        }
+      },
       getValues() {
         let json = JSON.parse(JSON.stringify(this.items));
         return this.transformToPmSyntax(json);
@@ -236,7 +262,10 @@
         }
         return operators;
       },
-      getLogicals() {
+      getLogicals(index) {
+        if (this.requiresStatusOrLogical(index)) {
+          return [{ value: "or", text: "or" }];
+        }
         return [
           {value: "and", text: "and"},
           {value: "or", text: "or"}
diff --git a/tests/Feature/Api/TasksTest.php b/tests/Feature/Api/TasksTest.php
index 212fc34d19..86825ccd76 100644
--- a/tests/Feature/Api/TasksTest.php
+++ b/tests/Feature/Api/TasksTest.php
@@ -1050,6 +1050,68 @@ public function testSelfServiceFilterOverridesPmqlStatusAndUserId()
         $this->assertNotContains($regularTask->id, $returnedIds);
     }
 
+    public function testNestedOrSelfServiceWithInProgressReturnsBothStatuses()
+    {
+        $user = User::factory()->create(['is_administrator' => true]);
+        $group = Group::factory()->create();
+
+        GroupMember::factory()->create([
+            'group_id' => $group->id,
+            'member_id' => $user->id,
+            'member_type' => User::class,
+        ]);
+
+        $selfServiceTask = ProcessRequestToken::factory()->create([
+            'status' => 'ACTIVE',
+            'element_type' => 'task',
+            'user_id' => null,
+            'is_self_service' => 1,
+            'self_service_groups' => ['groups' => [strval($group->id)], 'users' => []],
+        ]);
+
+        $inProgressTask = ProcessRequestToken::factory()->create([
+            'status' => 'ACTIVE',
+            'element_type' => 'task',
+            'user_id' => $user->id,
+            'is_self_service' => 0,
+        ]);
+
+        $completedTask = ProcessRequestToken::factory()->create([
+            'status' => 'CLOSED',
+            'element_type' => 'task',
+            'user_id' => $user->id,
+            'is_self_service' => 0,
+        ]);
+
+        // Same nested `or` payload produced by the Status column filter UI
+        $statusFilter = json_encode([
+            [
+                'subject' => ['type' => 'Status'],
+                'operator' => '=',
+                'value' => 'In Progress',
+                'or' => [
+                    [
+                        'subject' => ['type' => 'Status'],
+                        'operator' => '=',
+                        'value' => 'Self Service',
+                    ],
+                ],
+            ],
+        ]);
+
+        $response = $this->actingAs($user, 'api')->get(route('api.tasks.index', [
+            'pmql' => '(user_id = ' . $user->id . ') AND (status = "In Progress")',
+            'advanced_filter' => $statusFilter,
+        ]));
+
+        $response->assertStatus(200);
+        $returnedIds = collect($response->json('data'))->pluck('id')->toArray();
+
+        $this->assertContains($inProgressTask->id, $returnedIds);
+        $this->assertContains($selfServiceTask->id, $returnedIds);
+        $this->assertNotContains($completedTask->id, $returnedIds);
+    }
+
     public function testGetScreenFields()
     {
         $this->be($this->user);