Prosecution Insights
Last updated: October 25, 2026
Application No. 18/273,561

Methods and Systems for Concentrating a Gas Sample

Non-Final OA §112
Filed
Jul 21, 2023
Priority
Jan 28, 2021 — provisional 63/142,718 +1 more
Examiner
RAEVIS, ROBERT R
Art Unit
2855
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Mecanique Analytique Inc.
OA Round
3 (Non-Final)
83%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allowance Rate
1604 granted / 1925 resolved
+15.3% vs TC avg
Strong +15% interview lift
Without
With
+15.3%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
55 currently pending
Career history
1992
Total Applications
across all art units

Statute-Specific Performance

§101
1.6%
-38.4% vs TC avg
§103
26.9%
-13.1% vs TC avg
§102
17.7%
-22.3% vs TC avg
§112
46.7%
+6.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1925 resolved cases

Office Action

§112
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 . Allowable Subject Matter Claims 56-57,63-67,69-79,81 are allowed. Claim Rejections - 35 USC § 112 Claims 58-62, 68 and 80 are rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. As to claims 59, 68 and 80, it is not apparent what structure allows for “circulating”? Nothing is apparent in either specification or drawings that provides for such. A bit of clarity in a manner consistent with page 8 of REMARKS filed 7/20/26. No Art Rejection Applied As to claim 56, note was made of the combination of lines 7-9, with remaining claim limitations. The step of “injecting” (line 7) when the sample loop is at “sub-atmospheric pressure” has the benefit provided on Para 125 (Publication). Also, Figure 2c (Kim) does not indicate what structure is outlet of the valve. PNG media_image1.png 190 534 media_image1.png Greyscale As to claim 69, note was made of the combination of “sample loop being at a sub-atmospheric pressure”, lines 14-15), with remaining claim limitations. Kim does not indicated that the sample loop is ever at sub-atmospheric pressure. As to claim 80, note was made of the combination of lines 11-12, with remaining claim limitations. (Kim does not suggest heating the sample leaving line connected to the output of Kim’s tube because all of the moisture in the sample had earlier been entirely removed by dryer 21) Additional note was made of the combination of lines 15-17 (i.e. “when the equilibrium … the sample line”), with remaining claim limitations. (Reference KR 100487896 teaches heating of trap 20 (to desorb) and heating pump 43 (to “uniformize before pressurizing” the sample, and dispensing sample to the sample loop 50, but such do not take place at the same time. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to ROBERT R RAEVIS whose telephone number is (571)272-2204. The examiner can normally be reached on Mon to Fri from 8am to 4pm. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Kristina DeHerrera, can be reached at telephone number 303-297-4237. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of an application may be obtained from Patent Center. Status information for published applications may be obtained from Patent Center. Status information for unpublished applications is available through Patent Center to authorized users only. Should you have questions about access to the USPTO patent electronic filing system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). Examiner interviews are available via a variety of formats. See MPEP § 713.01. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) Form at https://www.uspto.gov/InterviewPractice. /ROBERT R RAEVIS/ Primary Examiner, Art Unit 2855
Read full office action

Prosecution Timeline

Jul 21, 2023
Application Filed
Jul 08, 2025
Non-Final Rejection mailed — §112
Jan 08, 2026
Response Filed
Jan 20, 2026
Final Rejection mailed — §112
Jul 20, 2026
Request for Continued Examination
Jul 22, 2026
Response after Non-Final Action
Oct 01, 2026
Non-Final Rejection mailed — §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12766954
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3y 11m to grant Granted Oct 20, 2026
Patent 12761122
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3y 7m to grant Granted Oct 13, 2026
Patent 12761020
MACHINING SYSTEM AND METHOD FOR VALIDATING DIMENSIONAL MEASUREMENT DEVICE OPERATION
3y 0m to grant Granted Oct 13, 2026
Patent 12763250
ENHANCED TRANSFORMER FAULT FORECASTING BASED ON DISSOLVED GASES CONCENTRATION AND THEIR RATE OF CHANGE
2y 4m to grant Granted Oct 13, 2026
Patent 12751699
SAMPLING SWABS AND METHODS OF MAKING THE SAME
3y 11m to grant Granted Oct 06, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

3-4
Expected OA Rounds
83%
Grant Probability
99%
With Interview (+15.3%)
2y 7m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 1925 resolved cases by this examiner. Grant probability derived from career allowance rate.

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