Prosecution Insights
Last updated: August 17, 2026
Application No. 18/904,001

LANE LINE DETECTION METHOD AND SYSTEM THEREOF

Non-Final OA §102
Filed
Oct 01, 2024
Examiner
CHIO, TAT CHI
Art Unit
2486
Tech Center
2400 — Computer Networks
Assignee
National Taipei University of Technology
OA Round
1 (Non-Final)
73%
Grant Probability
Favorable
1-2
OA Rounds
1y 4m
Est. Remaining
90%
With Interview

Examiner Intelligence

Grants 73% — above average
73%
Career Allowance Rate
624 granted / 856 resolved
+14.9% vs TC avg
Strong +17% interview lift
Without
With
+17.4%
Interview Lift
resolved cases with interview
Typical timeline
3y 3m
Avg Prosecution
34 currently pending
Career history
897
Total Applications
across all art units

Statute-Specific Performance

§101
9.7%
-30.3% vs TC avg
§103
55.2%
+15.2% vs TC avg
§102
18.8%
-21.2% vs TC avg
§112
5.5%
-34.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 856 resolved cases

Office Action

§102
DETAILED ACTION 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 § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claim(s) 1-2 and 7-8 is/are rejected under 35 U.S.C. 102(a)(2) as being anticipated by Yu et al. (US 2025/0299358 A1). Consider claim 1, Yu teaches a lane line detection ([0057]) method, comprising: extracting multiple deep features from an image by a deep feature extractor ([0045] and [0060] – [0062]); adopting the image and the deep features by a primary algorithm model to generate a first error value, and returning the first error value to the deep feature extractor ([0060] – [0068]; focal loss and spatial association loss. [0080] – [0091]); adopting the image and the deep features by an auxiliary algorithm model to generate a second error value, and returning the second error value to the deep feature extractor ([0060] – [0068]; the localization and alignment loss function. [0080] – [0091]); adjusting the extracted deep features by the deep feature extractor according to the first error value and the second error value ([0060] – [0068]; [0080] – [0091]). Consider claim 2, Yu teaches the method further comprises generating a lane line detection result by the deep feature extractor and the primary algorithm model ([0069] – [0073], [0092] – [0098]). Consider claim 7, claim 7 recites the system that implements the method recited in claim 1. Thus, it is rejected for the same reasons. Consider claim 8, Yu teaches the system further comprises a decoder configured to output a lane line detection result, wherein the lane line detection result is generated by the deep feature extractor and the primary algorithm model ([0069] – [0073], [0092] – [0098]). Allowable Subject Matter Claims 3-6 and 9-10 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to TAT CHI CHIO whose telephone number is (571)272-9563. The examiner can normally be reached Monday-Thursday 10am-5pm. 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, JAMIE J ATALA can be reached at 571-272-7384. 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. /TAT C CHIO/ Primary Examiner, Art Unit 2486
Read full office action

Prosecution Timeline

Oct 01, 2024
Application Filed
Jun 30, 2026
Non-Final Rejection mailed — §102 (current)

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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
73%
Grant Probability
90%
With Interview (+17.4%)
3y 3m (~1y 4m remaining)
Median Time to Grant
Low
PTA Risk
Based on 856 resolved cases by this examiner. Grant probability derived from career allowance rate.

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