Prosecution Insights
Last updated: July 17, 2026
Application No. 18/682,947

MANUFACTURING METHOD FOR RGB INGAN-BASED MICRO LED, AND DEVICE MANUFACTURED THEREBY

Non-Final OA §102
Filed
Feb 12, 2024
Priority
Aug 12, 2021 — CN 202110924887.3 +1 more
Examiner
VU, DAVID
Art Unit
2818
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Hsiao Lei Wang
OA Round
1 (Non-Final)
77%
Grant Probability
Favorable
1-2
OA Rounds
4m
Est. Remaining
95%
With Interview

Examiner Intelligence

Grants 77% — above average
77%
Career Allowance Rate
573 granted / 744 resolved
+9.0% vs TC avg
Strong +18% interview lift
Without
With
+18.1%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
16 currently pending
Career history
758
Total Applications
across all art units

Statute-Specific Performance

§101
0.7%
-39.3% vs TC avg
§103
69.5%
+29.5% vs TC avg
§102
24.6%
-15.4% vs TC avg
§112
2.8%
-37.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 744 resolved cases

Office Action

§102
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 . DETAILED ACTION Election/Restrictions 1. The restriction requirement between inventions, as set forth in the Office action mailed on 05/15/2026, has been reconsidered in view of the applicant’s remarks. The restriction requirement is hereby withdrawn. Claim Rejections - 35 USC § 102 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. 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)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale or otherwise available to the public before the effective filing date of the claimed invention. 2. Claim 12 is rejected under 35 U.S.C. 102(a1) as being anticipated by Wang et al. (CN 107833878; hereinafter Wang, see IDS dated 02/12/2024). Regarding claim 12, Wang, in fig. 6, discloses a red-green-blue (RGB) InGaN-based micro light-emitting diode (micro-LED) device, comprising: a plurality of RGB InGaN LED (4/5/6) components distributed in accordance with a specified layout design, wherein three color light components in the RGB InGaN LED components are formed on a same epitaxial wafer 1; the epitaxial wafer 1 is formed with an isolation layer 3 of an epitaxial zone, and the isolation layer 3 of the epitaxial zone is formed with block trench zones L1 of the three color light components, and intermediate layers 25 are grown on bottoms of the block trench zones L1 for three color light components to modulate an epitaxial lattice constant, and then an epitaxial layer of InGaN-based material (4/5/6) corresponding to the three color light components are formed in the block trench zones L1. Allowable Subject Matter 3. Claims 14-17 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. 4. Claims 1-10 are allowed. The following is an examiner's statement of reason for allowance: the prior art of record, either singularly or in combination, does not disclose or suggest at least the claim limitations of " S4, selecting by zone and growing corresponding intermediate layers on bottoms of the block trench zones for at least one of the two or three color light components to modulate an epitaxial lattice constant; each of the intermediate layers comprises a bottom layer and a top layer; the bottom layer is composed of a single type of two-dimensional (2D) material or is a composite layer of multiple types of 2D materials, and the top layer is coated onto the bottom layer and consists of a nitride containing Al, Ga, or In elements; S5, carrying out an LED epitaxy process in the block trench zone” (claim 1) as instantly claimed and in combination with the additionally claimed method steps. Conclusion 5. Any inquiry concerning this communication or earlier communications from the examiner should be directed to David Vu whose telephone number is (571) 272-1798. The examiner can normally be reached on Monday-Friday from 8:00am to 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 attempt to reach the examiner by telephone are unsuccessful, the examiner's supervisor, Steven Loke H can be reached on (571) 272-1657. 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. /DAVID VU/ Primary Examiner, Art Unit 2818
Read full office action

Prosecution Timeline

Feb 12, 2024
Application Filed
Jun 17, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

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2y 9m to grant Granted Jun 16, 2026
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
77%
Grant Probability
95%
With Interview (+18.1%)
2y 9m (~4m remaining)
Median Time to Grant
Low
PTA Risk
Based on 744 resolved cases by this examiner. Grant probability derived from career allowance rate.

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