Prosecution Insights
Last updated: May 28, 2026
Application No. 18/748,784

SYSTEM AND METHOD FOR MONITORING LIQUID ADHESIVE FLOW

Non-Final OA §101
Filed
Jun 20, 2024
Priority
Apr 04, 2016 — provisional 62/318,114 +2 more
Examiner
SENGUPTA, SONYA MAZUMDAR
Art Unit
1745
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Nordson Corporation
OA Round
1 (Non-Final)
68%
Grant Probability
Favorable
1-2
OA Rounds
1y 2m
Est. Remaining
88%
With Interview

Examiner Intelligence

Grants 68% — above average
68%
Career Allowance Rate
487 granted / 713 resolved
+3.3% vs TC avg
Strong +20% interview lift
Without
With
+20.1%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
15 currently pending
Career history
727
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
78.7%
+38.7% vs TC avg
§102
10.2%
-29.8% vs TC avg
§112
8.3%
-31.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 713 resolved cases

Office Action

§101
Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claim Rejections - 35 USC § 101 35 U.S.C. 101 reads as follows: Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor, subject to the conditions and requirements of this title. Claims 1-20 are rejected under 35 U.S.C. 101 because the claimed invention is directed to non-statutory subject matter. The claims do not fall within at least one of the four categories of patent eligible subject matter because the claims involve several mental processing steps and phrases outlined below. Step 2A, Prong 1 By “determining a product count”, this step is addition and therefore a mathematical equation or evaluation. “Determining a start time and an end time”, which are dependent on the leading edge and the ending edge of a product, is also an evaluation and therefore a mental step and abstract idea. The step of “determining an amount of the hot melt adhesive flow” is a measurement and therefore an insignificant extra solution activity and not an abstract idea. The step to “associate the measured amount” is a comparison or evaluation and therefore a mental step and abstract idea. Step 2A, Prong 2 The step of “measuring” is generic and involves data gathering; therefore is an insignificant extra solution activity, another example further evidencing that the other elements would not amount to significantly more. Step 2B For these claims, that includes detecting a presence of a product, flowing holt melt adhesive from a flow path, determining an amount the flow meter comprising a flow outlet passage, a pair of rotatable gears and at least one sensor configured to measure an amount of hot melt adhesive flowing through the flow meter. Detecting a presence of product – This step involves data gathering and also, in BE832798, the product is detected and counted (abstract). Flowing hot melt adhesive through a flow meter and out of an outlet – EP0160731 shows a hot melt adhesive going through an inlet and outlet (description). Flow meter – US 5099687 shows a flow meter with a pair of rotatable gears (claim 2). Sensor – US 2017/0284844 shows a sensor configured to measure an amount of hot melt adhesive (paragraph 0009). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to SONYA M SENGUPTA whose telephone number is (571)272-6019. The examiner can normally be reached Monday-Friday, 9:30am-5:00pm. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Philip Tucker can be reached at 571-272-1098. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /SONYA M SENGUPTA/Primary Examiner, Art Unit 1745
Read full office action

Prosecution Timeline

Jun 20, 2024
Application Filed
Oct 08, 2024
Response after Non-Final Action
Jan 06, 2026
Non-Final Rejection mailed — §101
Apr 01, 2026
Interview Requested
Apr 06, 2026
Response Filed
Apr 09, 2026
Examiner Interview Summary
Apr 09, 2026
Applicant Interview (Telephonic)

Precedent Cases

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
68%
Grant Probability
88%
With Interview (+20.1%)
3y 1m (~1y 2m remaining)
Median Time to Grant
Low
PTA Risk
Based on 713 resolved cases by this examiner. Grant probability derived from career allowance rate.

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