Prosecution Insights
Last updated: April 19, 2026
Application No. 18/682,512

Composition Comprising Fatty Acid Amidoalkyl Betaine and Carboxymethylated Derivative of a Dimethylaminoalkylamine

Non-Final OA §112
Filed
Feb 09, 2024
Examiner
ELHILO, EISA B
Art Unit
1761
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Kensing LLC
OA Round
1 (Non-Final)
83%
Grant Probability
Favorable
1-2
OA Rounds
1y 11m
To Grant
99%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allow Rate
1184 granted / 1425 resolved
+18.1% vs TC avg
Strong +16% interview lift
Without
With
+15.9%
Interview Lift
resolved cases with interview
Fast prosecutor
1y 11m
Avg Prosecution
33 currently pending
Career history
1458
Total Applications
across all art units

Statute-Specific Performance

§101
0.1%
-39.9% vs TC avg
§103
37.5%
-2.5% vs TC avg
§102
19.2%
-20.8% vs TC avg
§112
25.1%
-14.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1425 resolved cases

Office Action

§112
Claims 1-14 are pending in this application. DETAILED ACTION Notice of Pre-AIA or AIA Status 1 The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claim Objections 2 Claims 1-7 and 10-13 objected to because of the following informalities: In claim 1, the word “Composition” should be replaced by “A composition”. In claims 2-7, the word “Composition” should be replaced by “the composition”. In claim 10, the word “Process” should be replaced by “ A process”. In claims 11-13, the word “Process” should be replaced by “The process”. Appropriate correction is required. Claim Rejections - 35 USC § 112 3 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claims 1-14 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. Claims 1-3, 5 and 10-13 recite the phrases “preferably”, “in particular” and “more preferably”. These phrases render the claims indefinite because it is unclear whether the limitations following the phrases are part of the claimed invention. See MPEP 2173.05(d). Correction is required. Claim 1 recites a formula (I) in which R1CO = acyl radical of a fatty acid. R1 is undefined in the claimed formula (I). It is unclear what kind of fatty acid that represents R1?. R1 should defined by the number of carbon atoms that represent the alkyl radical of the fatty acid. Clarification and/or correction are/is required. Claim 6 indefinites because the claim recites the limitation “compound C) is identical to R1COOH with the R1 of general formula I)”. The definition of the term “R1” is unclear. Clarification and correction are required. Claim 7 recites the limitation “at least one further surfactant”. There is insufficient antecedent basis for this limitation in the claim. Claim 6 depends on claim 4 that further depends on claim 1. Claim 1 does not recite a surfactant or even named the compound of the general formula I) as a surfactant. Correction is required. Claims 4, 8-9 and 14 dependent upon rejected base claims. Therefore, claims 4, 8-9 and 14 are rejected as well. Allowable Subject Matter 4 Claims 1-14 would be allowed if the claims overcome the rejection under 112, second paragraph. The closest prior art of record reference (EP 0656346 A1) teaches the limitation of the claimed formula A) (see claim 1 formula (IV) and does not teach the claimed limitation B). The prior art of record (EP’ 346 A1) teaches the following formula (I): PNG media_image1.png 290 548 media_image1.png Greyscale Wherein a = 2, that makes the formula (I) has two quaternary nitrogen atoms (two positive charges) (see claim 1, formula (I)). The claimed formula IId) requires only one quaternary nitrogen atom. Therefore, the reference’s formula (I) differs from the claimed formula IId). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to EISA B ELHILO whose telephone number is (571)272-1315. The examiner can normally be reached Monday-Friday, 7:00 AM to 3:30 PM. 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, Angela Brown-Pettigrew can be reached at (571)272-2817. 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. /EISA B ELHILO/Primary Examiner, Art Unit 1761
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Prosecution Timeline

Feb 09, 2024
Application Filed
Jan 15, 2026
Non-Final Rejection — §112 (current)

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
83%
Grant Probability
99%
With Interview (+15.9%)
1y 11m
Median Time to Grant
Low
PTA Risk
Based on 1425 resolved cases by this examiner. Grant probability derived from career allow rate.

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