diff --git a/packages/api/src/modules/predicate/services.ts b/packages/api/src/modules/predicate/services.ts
index 81754853e..c23496fa7 100644
--- a/packages/api/src/modules/predicate/services.ts
+++ b/packages/api/src/modules/predicate/services.ts
@@ -16,6 +16,7 @@ import { IPagination, Pagination, PaginationParams } from '@src/utils/pagination
 import { Predicate, User, Workspace } from '@models/index';
 
 import GeneralError, { ErrorTypes } from '@utils/error/GeneralError';
+import { BadRequest } from '@utils/error';
 import Internal from '@utils/error/Internal';
 
 import App from '@src/server/app';
@@ -61,6 +62,32 @@ export class PredicateService implements IPredicateService {
     'p.version',
   ];
 
+  private static async validateUniqueName(
+    name: string,
+    workspaceId: string,
+    type: ErrorTypes,
+    predicateId?: string,
+  ): Promise<void> {
+    const query = Predicate.createQueryBuilder('p')
+      .where('LOWER(p.name) = LOWER(:name)', { name })
+      .andWhere('p.workspace_id = :workspaceId', { workspaceId })
+      .andWhere('p.deletedAt IS NULL');
+
+    if (predicateId) {
+      query.andWhere('p.id != :predicateId', { predicateId });
+    }
+
+    const exists = await query.getOne();
+
+    if (exists) {
+      throw new BadRequest({
+        type,
+        title: 'Predicate name already exists',
+        detail: `A predicate with name "${name}" already exists in this workspace`,
+      });
+    }
+  }
+
   filter(filter: IPredicateFilterParams) {
     this._filter = filter;
     return this;
@@ -83,6 +110,12 @@ export class PredicateService implements IPredicateService {
     workspace: Workspace,
   ): Promise<Predicate> {
     try {
+      await PredicateService.validateUniqueName(
+        payload.name,
+        workspace.id,
+        ErrorTypes.Create,
+      );
+
       const userService = new UserService();
       const config = JSON.parse(payload.configurable);
 
@@ -132,6 +165,7 @@ export class PredicateService implements IPredicateService {
       // return predicate;
     } catch (e) {
       console.log(e);
+      if (e instanceof BadRequest) throw e;
       throw new Internal({
         type: ErrorTypes.Internal,
         title: 'Error on predicate creation',
@@ -399,7 +433,10 @@ export class PredicateService implements IPredicateService {
     payload?: Partial<IPredicatePayload>,
   ): Promise<Predicate> {
     try {
-      const currentPredicate = await this.findById(id);
+      const currentPredicate = await Predicate.findOne({
+        where: { id },
+        relations: ['workspace'],
+      });
 
       if (!currentPredicate) {
         throw new NotFound({
@@ -409,6 +446,15 @@ export class PredicateService implements IPredicateService {
         });
       }
 
+      if (payload?.name && payload.name !== currentPredicate.name) {
+        await PredicateService.validateUniqueName(
+          payload.name,
+          currentPredicate.workspace.id,
+          ErrorTypes.Update,
+          currentPredicate.id,
+        );
+      }
+
       const updatedPredicate = await Predicate.merge(currentPredicate, {
         name: payload?.name,
         description: payload?.description,