Prosecution Insights
Last updated: October 27, 2026

Lauren K Van Buren, USPTO Patent Examiner

Listed by the USPTO as VAN BUREN, LAUREN K

Tech Center 1600 • Art Units: 1632 1638 1641 1651 1655

This examiner grants 40% of resolved cases

Analysis

VAN BUREN, LAUREN K has 423 resolved cases in tech center 1600 and art unit 1632. The allowance rate is 40.0%, while the interview lift is 58.4%. The median time to allowance is 1544 days. Allowance occurs in fewer than half of resolved matters, but the interview measure exceeds the allowance rate. This pattern makes interviews a prominent strategic consideration, while the median indicates a lengthy route to allowance.

The listed companies are Osiris Therapeutics Inc., Riken, and Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. The leading firms are Norton Rose Fulbright US LLP, MCCARTER & ENGLISH, LLP BOSTON, and CAESAR RIVISE, PC. Practitioners may benefit from focused examiner discussions paired with claim amendments that address identified technical or patentability concerns.

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

Performance Statistics

40.0%
Allow Rate
-20.0% vs TC avg
479
Total Applications
+58.4%
Interview Lift
1544
Avg Prosecution Days
Based on 423 resolved cases, 2023–2026

Rejection Statute Breakdown

2.6%
§101 Eligibility
10.1%
§102 Novelty
49.6%
§103 Obviousness
25.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18029354 METHOD FOR CRYOPRESERVING A PLURALITY OF CELL CLUSTERS OF BIOLOGICAL CELLS Final Rejection Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
17291536 PROCESS FOR PRODUCING GENETICALLY ENGINEERED T CELLS Final Rejection Juno Therapeutics, Inc.
18018389 CELL CULTURE MEDIA AND METHODS OF MAKING AND USING THE SAME Final Rejection AMGEN INC.
18105204 TISSUE-ENGINEERED INTERVERTEBRAL DISC WITH LIVING CELLS Final Rejection Cornell University
18270924 CELLULAR MICROCOMPARTMENTS COMPRISING CELLS OF WHICH THE GENOMIC INTEGRITY IS MAINTAINED AFTER AMPLIFICATION AND PREPARATION METHOD Final Rejection TREEFROG THERAPEUTICS

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Frequently Asked Questions

What is examiner Lauren K Van Buren's allowance rate?

40.0% of resolved applications examined by Lauren K Van Buren were allowed (423 resolved cases), compared with 38.1% across Art Unit 1632 over the last five years.

Does an interview help with examiner Lauren K Van Buren?

This examiner's interview lift is +58.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Lauren K Van Buren take to allow a patent?

Applications allowed by Lauren K Van Buren took 1,544 days on average from filing to allowance.

Which art unit does examiner Lauren K Van Buren work in?

Lauren K Van Buren examines applications in Art Unit 1632 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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