What materials are needed to apply for a US patent through Pct?

1, submit the original application documents and PCT request or published PCT application booklet;

2. International search report;

3. According to Article 19 of the Patent Cooperation Treaty, the relevant contents of the claim are modified;

5, the international preliminary examination report, the relevant application documents modified according to Article 34 of the Patent Cooperation Treaty;

5. Small-scale entity statement;

6. affidavit and power of attorney.