Tighten trademark notice and interim brand-use policy

COMMERCIAL-LICENSE-ADDENDUM.md

@@ -2,17 +2,22 @@
 
 This addendum applies to the Corvus v2 model weights, derivative checkpoints, packaged distributions, and any service primarily powered by Corvus v2.
 
+This addendum does not grant any trademark license. "Corvus", "Corvus AI", "CVERiskPilot", related logos, and related branding are claimed trademarks or common-law marks of CVERiskPilot LLC. Any goodwill from use of those marks inures exclusively to CVERiskPilot LLC.
+
 ## Allowed without a separate commercial license
 
 - Internal vulnerability triage for your own organization
 - Research, benchmarking, and evaluation
 - Educational use
 - Fine-tuning or adapting the model for your own internal use
+- Accurate nominative reference to Corvus v2 solely to identify the original model, provided the reference does not imply endorsement, affiliation, certification, or sponsorship by CVERiskPilot LLC
 
 ## Restricted without a commercial license from CVERiskPilot LLC
 
 - Offering Corvus v2 or any derivative as a hosted, managed, or API-accessible vulnerability triage service to third parties
 - Redistributing Corvus v2 or derivative checkpoints as part of a commercial product or paid service
 - Embedding Corvus v2 in a competing commercial vulnerability triage platform, managed offering, or OEM distribution
+- Using "Corvus", "CVERiskPilot", related logos, or confusingly similar branding in a product name, service name, company name, model name, repository name, domain, social handle, marketplace listing, or marketing asset without written permission
+- Stating or implying that a derivative model, fork, service, or integration is approved, certified, endorsed, or provided by CVERiskPilot LLC without written permission
 
 For commercial licensing, contact [sales@cveriskpilot.com](mailto:sales@cveriskpilot.com).