Elena Castillo
Amazon Policy & IP Research Lead
Elena Castillo researches intellectual-property complaints, review and feedback policy, and regulatory compliance categories—including FDA, CPSC, EPA, hazmat, and CPSIA. She translates policy language into practical appeal structure and corrective-action wording sellers can defend in Seller Central.
Focus areas
- Intellectual property
- Review & feedback policy
- Regulatory compliance
- Trademark & counterfeit
- Product safety
Articles by Elena Castillo
- Feedback Removal Request: The Complete Guide to Requesting Seller Feedback Removal
- Pesticide / EPA Violations: A Complete Guide to EPA and FIFRA Compliance for Amazon Sellers
- IP Complaint Filing (Offensive): How Rights Owners File Complaints Against Infringers
- Amazon IP Complaint by Former Business Partner: How to Fight Back
- Counterfeit Claim on Amazon: How to Appeal Allegations Your Products Are Fake
- Hazmat / Dangerous Goods on Amazon: The Complete Seller Compliance and Appeal Guide
- FDA Compliance: FDA Regulatory Compliance for Food, Drugs, and Cosmetics on Amazon
- Product Condition Complaints: The Complete Seller Guide to Defective, Missing-Part, and Wrong-Item Appeals
- California Proposition 65 Compliance for Amazon Sellers: The Complete Guide to Prop 65 Warning Labels
- CPSIA Compliance for Children's Products: The Complete Seller Guide
- Amazon A-to-Z Claims Scammer: How to Stop Repeat Fraudsters
- Expired Product Sale Violation: Selling Products Past Expiration Date or With Insufficient Shelf Life
- INFORM Act Address Verification Loop: Complete Fix Guide
- Amazon Listing Removed Despite Appeal Submitted - What to Do
- Product Image Policy Violation: How to Fix Amazon Image Requirement Issues and Appeal Listing Suppression
- Tax Collection or Remittance Violation: How to Appeal a Failure to Collect or Remit Required Taxes
- External Traffic Manipulation: How Artificial Traffic Inflates Listing Metrics and Triggers Suspensions
- Amazon Brand Removal Notice: IP Complaint Solutions
- Amazon Auto-Denying SAFE-T Claims: How to Fight Stolen Reimbursements
- Amazon Private Label Hijackers: How to Remove Counterfeit Sellers
- Amazon Funds Seized After IP Violation: Your Recovery Guide
- Amazon Warehouse Damaged Inventory: When FBA Units Get Wrongly Flagged
- Amazon LOA Rejected Despite Valid Authorization Letter
- Amazon Used Sold as New Violation: How SKUs Automatically Changed from Used to New
- Amazon DD+7 Payment Policy: Why Your Reserve Still Shows 14 Days
- Amazon Patent Infringement Claims: How to Defend Your Products and Appeal Successfully
- Amazon Copyright Infringement Claims: Complete Response & Appeal Guide
- Amazon Invoice Defect Rate: Complete Guide to Resolve IDR Violations
- Used Sold as New Complaint: What Amazon Notice Really Means for Your Account
- Related Account Suspension on Amazon: How to Prove Separation and Win Your Appeal
- Amazon Review Manipulation Warning Explained: Appeal & Response Guide
- CPSIA Children Product Violation: Complete Guide to Amazon Compliance & Appeals
- Amazon Trademark Infringement Suspensions: Complete Recovery Guide
- Amazon Seller FDA Compliance Issues: How to Resolve Medical Device Violations and Avoid Suspension
- CPSC Safety Standard Violation: How to Resolve Amazon Product Safety Suspensions
- Amazon Hazmat Violations: How to Appeal Dangerous Goods Suspensions
- Amazon Seller Suspended for Counterfeit Products: Complete Appeal Guide
- Amazon Counterfeit Product Suspension: How to Appeal Successfully