Prosecution Insights
Last updated: October 26, 2026

Heather Raquel Dahlin, USPTO Patent Examiner

Listed by the USPTO as DAHLIN, HEATHER RAQUEL

Tech Center 1600 • Art Units: 1628 1629

This examiner grants 42% of resolved cases

Analysis

DAHLIN, HEATHER RAQUEL is a Tech Center 1600 examiner in Art Unit 1628 with 166 resolved cases. The allowance rate is 42.2%, and the median time to allowance is 1229 days. The profile supports deliberate prosecution planning, with attention to both claim development and the time required to reach allowance.

The interview lift is 47.1%, indicating a positive association with interview activity. Practitioners may find value in using interviews to isolate the examiner’s concerns before committing to a particular amendment strategy.

Orcosa Inc., Hoffmann-La Roche Inc., and King's College London are the listed companies. OLIFF PLC, PATTERSON + SHERIDAN, L.L.P., and TROUTMAN PEPPER LOCKE LLP are the listed firms with experience reflected in the profile.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

42.2%
Allow Rate
-17.8% vs TC avg
227
Total Applications
+47.1%
Interview Lift
1229
Avg Prosecution Days
Based on 166 resolved cases, 2023–2026

Rejection Statute Breakdown

4.4%
§101 Eligibility
19.6%
§102 Novelty
34.8%
§103 Obviousness
25.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18023211 KAEMPFEROL AGLYCONE-CONTAINING EXTRACT Final Rejection OTSUKA PHARMACEUTICAL CO., LTD.
18265335 COMPOSITIONS AND METHODS FOR INHIBITING M PRO PROTEASE ACTIVITY AND FOR PREVENTING AND TREATING SARS-COV-2 INFECTION Final Rejection Arizona Board of Regents on Behalf of the University of Arizona

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Frequently Asked Questions

What is examiner Heather Raquel Dahlin's allowance rate?

42.2% of resolved applications examined by Heather Raquel Dahlin were allowed (166 resolved cases), compared with 26.0% across Art Unit 1628 over the last five years.

Does an interview help with examiner Heather Raquel Dahlin?

This examiner's interview lift is +47.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Heather Raquel Dahlin take to allow a patent?

Applications allowed by Heather Raquel Dahlin took 1,229 days on average from filing to allowance.

Which art unit does examiner Heather Raquel Dahlin work in?

Heather Raquel Dahlin examines applications in Art Unit 1628 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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