Registered patent agent

Hailan Guo

USPTO Reg. 46153

Firm

Rohm and Haas Company

Address

727 Norristown Road

Spring House, PA, 19477

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Hailan Guo

  • Is Hailan Guo a registered patent attorney?

    Hailan Guo is a registered patent agent (USPTO Registration Number 46153). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Hailan Guo located?

    Hailan Guo's office is in Spring House, Pennsylvania (19477). Affiliated with Rohm and Haas Company.

  • What firm does Hailan Guo work at?

    Hailan Guo is listed as affiliated with Rohm and Haas Company on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Hailan Guo?

    Hailan Guo's office phone (per the USPTO public roster) is 215-641-7256. Verify availability and intake details directly with the firm before sending privileged materials.

  • Should I prepare anything before contacting a patent attorney?

    Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.

Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.

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