Prosecution Insights
Last updated: July 17, 2026
Application No. 18/705,443

Method of Implanting Atoms in a Substrate and Method of Forming a Quantum Register

Final Rejection §102§112
Filed
Apr 26, 2024
Priority
Oct 27, 2021 — EU PCT/EP2021/079846 +1 more
Examiner
LAW, NGA LEUNG V
Art Unit
1717
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Saxonq GmbH
OA Round
2 (Final)
56%
Grant Probability
Moderate
3-4
OA Rounds
11m
Est. Remaining
77%
With Interview

Examiner Intelligence

Grants 56% of resolved cases
56%
Career Allowance Rate
309 granted / 547 resolved
-8.5% vs TC avg
Strong +20% interview lift
Without
With
+20.4%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
50 currently pending
Career history
600
Total Applications
across all art units

Statute-Specific Performance

§101
0.6%
-39.4% vs TC avg
§103
89.5%
+49.5% vs TC avg
§102
2.1%
-37.9% vs TC avg
§112
2.1%
-37.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 547 resolved cases

Office Action

§102 §112
DETAILED ACTION The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . The Applicant's amendment filed on March 18, 2026 was received. Claim 6 was amended. Claims 13 and 19 were canceled. No claim was added. Claims 1-5, 7-12, 14-18 and 20-30 were withdrawn. The text of those sections of Title 35. U.S.C. code not included in this action can be found in the prior Office Action Issued December 19, 2025. Claim Rejections - 35 USC § 112 The claim rejection under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, on claim 6 was withdrawn, because the claim has been amended. 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)(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. Claim 6 is rejected under 35 U.S.C. 102(a)(1) as being anticipated by Haruyama (Triple nitrogen-vacancy centre fabrication by C5N4Hn ion implantation). Regarding claim 6, Haruyama teaches a method of implanting C5N4Hn from adenine ion source to create nitrogen vacancy center in diamond (abstract, page 2 left column first paragraph, page 2 right column second paragraph) (a method of implanting atoms into a substrate). Hirayama teaches the ionized C5N4Hn (molecule) are implanted into the diamond (substrate) (implanting the atoms into the substrate) (abstract, page 2 left column first paragraph, page 2 right column second paragraph, page 8 Methods), wherein the nitrogen atoms (the atoms are at least some of the constituent atoms of a molecule) in the molecule reads on the limitation of color center atoms as such atoms are not specifically defined in the claim (wherein the atom are at least some of the constituent atoms of a molecule and where int the molecule comprises one or more color center atoms). In addition, the instant specification disclosed the color center is the nitrogen vacancy center in diamond (see instant US patent application publication 0017), thus, indicates that the implanted nitrogen is the color center atoms in diamond. The claim does not specifically define what is satellite atoms and “satellite atoms” is not an art recognized term, thus, any atom in the ionized C5N4Hn (molecule), including hydrogen atoms are considered to read on the claimed limitations, especially Haruyama teaches the hydrogen atoms, like carbon atoms, provide vacancies in the implanted diamond (page 2 right column third paragraph, page 8 Methods). Hydrogen atoms read on the limitation of satellite atoms other than 13C. In addition, Haruyama teaches to use 13C-enriched adenine powder as the ion source (page 7 right column third paragraph), which indicate an amount of carbon-12 (12C, natural form of carbon) is reasonably expected in the molecules; 12C also reads on the limitation of one or more satellite atoms other than 13C. Response to Arguments Applicant's arguments filed on March 18, 2026 have been fully considered but they are not persuasive. Applicant’s principal arguments are: Haruyama does not disclose a “satellite atom” as set forth in the claim. “satellite atom” is defined in the specification as one that can fit a single lattice site of the substrate, which is not the same as the hydrogen in Haruyama. Haruyama teaches away from deliberately implanting and retaining non-color-center atoms as lattice site resources. In response to Applicant’s arguments, please consider the following comments: In response to applicant's argument that the references fail to show certain features of the invention, it is noted that the features upon which applicant relies (i.e., satellite atom fits a single lattice site of the substrate, and does so without forcing another vacancy, thereby acting as a controlled nuclear-spin resource for the color center-based quantum register) are not recited in the rejected claim(s). Although the claims are interpreted in light of the specification, limitations from the specification are not read into the claims. See In re Van Geuns, 988 F.2d 1181, 26 USPQ2d 1057 (Fed. Cir. 1993). As discussed above, the claim does not specifically define what is satellite atoms and “satellite atoms” is not an art recognized term, thus, any atom in the ionized C5N4Hn (molecule), including hydrogen atoms are considered to read on the claimed limitations, especially Haruyama teaches the hydrogen atoms, like carbon atoms, provide vacancies in the implanted diamond (page 2 right column third paragraph, page 8 Methods). Hydrogen atoms read on the limitation of satellite atoms other than 13C. In addition, Haruyama teaches to use 13C-enriched adenine powder as the ion source (page 7 right column third paragraph), which indicate an amount of carbon-12 (12C, natural form of carbon) is reasonably expected in the molecules; 12C also reads on the limitation of one or more satellite atoms other than 13C. The claim does not require the satellite atom to fit a single lattice site of the substrate as claimed. In response to applicant's argument that the references fail to show certain features of the invention, it is noted that the features upon which applicant relies (i.e., deliberately implanting and retaining non-color-center atoms as lattice site resources) are not recited in the rejected claim(s). Although the claims are interpreted in light of the specification, limitations from the specification are not read into the claims. See In re Van Geuns, 988 F.2d 1181, 26 USPQ2d 1057 (Fed. Cir. 1993). In response to applicant's argument that the examiner's conclusion of obviousness is based upon improper hindsight reasoning, it must be recognized that any judgment on obviousness is in a sense necessarily a reconstruction based upon hindsight reasoning. But so long as it takes into account only knowledge which was within the level of ordinary skill at the time the claimed invention was made, and does not include knowledge gleaned only from the applicant's disclosure, such a reconstruction is proper. See In re McLaughlin, 443 F.2d 1392, 170 USPQ 209 (CCPA 1971). Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to NGA LEUNG V LAW whose telephone number is (571)270-1115. The examiner can normally be reached M-F 8 am - 5 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, Dah-Wei Yuan can be reached at 5712721295. 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. /N.V.L/Examiner, Art Unit 1717 /Dah-Wei D. Yuan/Supervisory Patent Examiner, Art Unit 1717
Read full office action

Prosecution Timeline

Apr 26, 2024
Application Filed
Dec 19, 2025
Non-Final Rejection mailed — §102, §112
Mar 18, 2026
Response Filed
Jun 03, 2026
Final Rejection mailed — §102, §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

3-4
Expected OA Rounds
56%
Grant Probability
77%
With Interview (+20.4%)
3y 2m (~11m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 547 resolved cases by this examiner. Grant probability derived from career allowance rate.

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