Prosecution Insights
Last updated: October 01, 2026
Application No. 18/880,487

LAMINATED PANE WITH A PLURALITY OF REFLECTION REGIONS

Non-Final OA §112
Filed
Dec 31, 2024
Priority
Jul 19, 2022 — EU 22185693.3 +1 more
Examiner
FREEMAN, JOHN D
Art Unit
Tech Center
Assignee
Compagnie de Saint-Gobain S.A.
OA Round
1 (Non-Final)
46%
Grant Probability
Moderate
1-2
OA Rounds
2y 1m
Est. Remaining
53%
With Interview

Examiner Intelligence

Grants 46% of resolved cases
46%
Career Allowance Rate
345 granted / 752 resolved
-14.1% vs TC avg
Moderate +7% lift
Without
With
+6.8%
Interview Lift
resolved cases with interview
Typical timeline
3y 10m
Avg Prosecution
30 currently pending
Career history
795
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
45.5%
+5.5% vs TC avg
§102
16.1%
-23.9% vs TC avg
§112
33.2%
-6.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 752 resolved cases

Office Action

§112
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 Objections Claim 5 is objected to because of the following informalities: in lines 2-3, “at most 2 silver layer” should be “at most 2 silver layers” (i.e., plural). Appropriate correction is required. Claim Rejections - 35 USC § 112 Claims 1-20 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. Claim 1 recites “a partially transparent reflection layer”. The specification at [0020] states “In the sense of the invention, “partially transparent” means a light transmission of at least 50%, preferably at least 60%, and particularly preferably at least 70%” wherein light transmittance is “according to ISO 9050:2003” and so defines the terms used in the claims. That the definition uses preferred language (“preferably”) which provides a first broader range followed by a narrower range renders the claim indefinite because it is not clear whether the feature introduced by such narrower language is (a) merely exemplary of the remainder of the claim, and therefore not required, or (b) a required feature of the claims. See MPEP § 2173.05(c). The examiner suggests Applicant amends the claim to include the desired percentage of light transmission of the layer to clarify the claim language. Dependent claims are rejected for the same reason. Claim 1 recites “an opaque reflection layer”. The specification at [0020] states “In the sense of the invention, “opaque” means a light transmission, i.e., light transmittance (according to ISO 9050:2003), of less than 30%, preferably less than 20%, particularly preferably less than 5%, and in particular less than 0.1%” and so defines the terms used in the claims. That the definition uses preferred language (“preferably”) which provides a first broader range followed by a narrower range renders the claim indefinite because it is not clear whether the feature introduced by such narrower language is (a) merely exemplary of the remainder of the claim, and therefore not required, or (b) a required feature of the claims. See MPEP § 2173.05(c). The examiner suggests Applicant amends the claim to include the desired percentage of light transmission of the layer to clarify the claim language. Dependent claims are rejected for the same reason. Claims 8 and 19 are rejected under 35 U.S.C. 112(d) or pre-AIA 35 U.S.C. 112, 4th paragraph, as being of improper dependent form for failing to further limit the subject matter of the claim upon which it depends, or for failing to include all the limitations of the claim upon which it depends. Applicant may cancel the claim(s), amend the claim(s) to place the claim(s) in proper dependent form, rewrite the claim(s) in independent form, or present a sufficient showing that the dependent claim(s) complies with the statutory requirements. Claim 8 recites “the partially transparent reflection layer reflects visible light to an extent of at least 10%.” This fails to further limit parent claim 1, which requires “the partially transparent reflection layer reflects visible light to an extent of at most 30%” because claim 8 sets forth a range that extends beyond the uppermost bound of the parent claim. The examiner suggests Applicant amends claim 8 to recite the upper bound, e.g., “an extent of at least 10% and at most 30%”. Similarly, claim 19 recites “the partially transparent reflection layer reflects visible light to an extent of at least 15%.” This fails to further limit parent claim 1, which requires “the partially transparent reflection layer reflects visible light to an extent of at most 30%” because claim 19 sets forth a range that extends beyond the uppermost bound of the parent claim. The examiner suggests Applicant amends claim 19 to recite the upper bound, e.g., “an extent of at least 15% and at most 30%”. Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Luten et al. (US 2009/0207513) disclose a multizone reflector comprising an opaque zone (101; 204) and a transflective (partially transparent and reflective) zone (106; 206) [abstract; 0002-0003; 0035-0036]. The opaque zone is reflective [0035]. The extent of reflection of the transflective zone is not specifically defined except that examples have high reflectance above 55% (examples begin at [0060]). The intended use of the reflector is a mirror (i.e., highly reflective) [0003; 0037]. Any inquiry concerning this communication or earlier communications from the examiner should be directed to JOHN D FREEMAN whose telephone number is (571)270-3469. The examiner can normally be reached Monday-Friday 11-8PM EST. 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, Callie Shosho can be reached at 571-272-1123. 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. /JOHN D FREEMAN/Primary Examiner, Art Unit 1787
Read full office action

Prosecution Timeline

Dec 31, 2024
Application Filed
Aug 24, 2026
Non-Final Rejection mailed — §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
46%
Grant Probability
53%
With Interview (+6.8%)
3y 10m (~2y 1m remaining)
Median Time to Grant
Low
PTA Risk
Based on 752 resolved cases by this examiner. Grant probability derived from career allowance rate.

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