Prosecution Insights
Last updated: April 19, 2026
Application No. 19/181,086

DEVICE-TO-DEVICE COLLOCATED AR USING HAND TRACKING

Non-Final OA §112
Filed
Apr 16, 2025
Examiner
BUTCHER, BRIAN M
Art Unit
2627
Tech Center
2600 — Communications
Assignee
Snap
OA Round
1 (Non-Final)
77%
Grant Probability
Favorable
1-2
OA Rounds
2y 3m
To Grant
91%
With Interview

Examiner Intelligence

Grants 77% — above average
77%
Career Allow Rate
644 granted / 832 resolved
+15.4% vs TC avg
Moderate +14% lift
Without
With
+14.0%
Interview Lift
resolved cases with interview
Typical timeline
2y 3m
Avg Prosecution
26 currently pending
Career history
858
Total Applications
across all art units

Statute-Specific Performance

§101
3.2%
-36.8% vs TC avg
§103
36.4%
-3.6% vs TC avg
§102
34.8%
-5.2% vs TC avg
§112
18.0%
-22.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 832 resolved cases

Office Action

§112
DETAILED ACTION Notice of 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 Interpretation Regarding Claims 1, 11, and 20, the Examiner interprets the claim limitations “a coordinate transformation between the first device, a hand joint holding the second device, and the second device” (Lines 6 – 7 of Claim 1, Lines 9 – 10 of Claim 11, and Lines 7 – 8 of Claim 20) to require a singular coordinate transformation between all of the three separate coordinate sets of the first device, a hand joint holding the second device, and the second device. In other words, said limitations are more limiting than a transformation between a pairing of any two separate coordinate sets of the three separate coordinate sets. Notice that the interpretation of Claims 1 and 11 carries into Claims 2 – 10 and 12 – 19, respectively, via claim dependency. Claim Rejections - 35 USC § 112 The following is a quotation of the first paragraph of 35 U.S.C. 112(a): (a) IN GENERAL.—The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor or joint inventor of carrying out the invention. Claims 1 – 20 are rejected under 35 U.S.C. 112(a) as failing to comply with the written description requirement. The claims contain subject matter which was not described in the specification in such a way as to reasonably convey to one skilled in the relevant art that the inventor or a joint inventor, or for applications subject to pre-AIA 35 U.S.C. 112, the inventor(s), at the time the application was filed, had possession of the claimed invention. Regarding Claims 1, 11, and 20, the Specification provides support for identifying plural coordinate transformations, one between the claimed first device and the hand joint holding the second device and one between the claimed hand joint holding the second device and the second device (Paragraphs [0173] and [0183]), but the Specification fails to describe the creation of a singular coordinate transformation between the three separate coordinate sets of the first device, a hand joint holding the second device, and the second device as interpreted above. Note that Claims 2 – 10 and 12 – 19 fall rejected respectively with Claims 1 and 11 due to claim dependency. Prior Art of Record In the prior art of Cowburn et al. (United States Patent Application Publication US 2021/0241529 A1, Cited in the IDS filed July 21, 2023 of parent application 18/357,050), it has been shown to provide for a method, server, and non-transitory computer-readable medium as described in all of the non patent literature documents cited in the IDS filed April 16, 2025 regarding parent application 18/357,050. However, Cowburn fails to explicitly describe a singular transformation of all three entities as found in the limitations of Claims 1, 11, and 20. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to BRIAN M BUTCHER whose telephone number is (571)270-5575. The examiner can normally be reached on Monday – Friday from 6:30 AM to 3:00 PM. If attempts to reach the examiner by telephone are unsuccessful, the examiner's supervisor, Ke Xiao, can be reached at (571) 272 - 7776. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of an application may be obtained from the Patent Application Information Retrieval (PAIR) system. Status information for published applications may be obtained from either Private PAIR or Public PAIR. Status information for unpublished applications is available through Private PAIR only. For more information about the PAIR system, see http://pair-direct.uspto.gov. Should you have questions on access to the Private PAIR system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). /BRIAN M BUTCHER/Primary Examiner, Art Unit 2627 January 08, 2026
Read full office action

Prosecution Timeline

Apr 16, 2025
Application Filed
Jan 08, 2026
Non-Final Rejection — §112 (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
77%
Grant Probability
91%
With Interview (+14.0%)
2y 3m
Median Time to Grant
Low
PTA Risk
Based on 832 resolved cases by this examiner. Grant probability derived from career allow rate.

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