Registered patent attorney

Keith R Lange

USPTO Reg. 44201

Firm

Lange IP Law

Address

P.O. Box 193

Lincoln University, PA, 19352

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Keith R Lange

  • Is Keith R Lange a registered patent attorney?

    Yes. Keith R Lange is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 44201). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Keith R Lange located?

    Keith R Lange's office is in Lincoln University, Pennsylvania (19352). Affiliated with Lange IP Law.

  • What firm does Keith R Lange work at?

    Keith R Lange is listed as affiliated with Lange IP Law on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Keith R Lange?

    Keith R Lange's office phone (per the USPTO public roster) is 610-869-6302. 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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