Prosecution Insights
Last updated: October 02, 2026
Application No. 19/044,233

TRACKING OF STORE OPERATIONS

Non-Final OA §102§DOUBLEPATENT
Filed
Feb 03, 2025
Priority
Dec 29, 2022 — provisional 63/435,861 +1 more
Examiner
TSENG, CHENG YUAN
Art Unit
Tech Center
Assignee
SiFive Inc.
OA Round
1 (Non-Final)
84%
Grant Probability
Favorable
1-2
OA Rounds
9m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 84% — above average
84%
Career Allowance Rate
718 granted / 854 resolved
+24.1% vs TC avg
Strong +16% interview lift
Without
With
+15.5%
Interview Lift
resolved cases with interview
Typical timeline
2y 5m
Avg Prosecution
37 currently pending
Career history
881
Total Applications
across all art units

Statute-Specific Performance

§101
5.5%
-34.5% vs TC avg
§103
29.9%
-10.1% vs TC avg
§102
37.1%
-2.9% vs TC avg
§112
16.3%
-23.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 854 resolved cases

Office Action

§102 §DOUBLEPATENT
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 . Double Patenting The nonstatutory double patenting rejection is based on a judicially created doctrine grounded in public policy (a policy reflected in the statute) so as to prevent the unjustified or improper timewise extension of the “right to exclude” granted by a patent and to prevent possible harassment by multiple assignees. A nonstatutory double patenting rejection is appropriate where the conflicting claims are not identical, but at least one examined application claim is not patentably distinct from the reference claim because the examined application claim is either anticipated by, or would have been obvious over, the reference claim. Claim 1 is rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-16 of U.S. Patent No. 12,314,715. Although the claims at issue are not identical, they are not patentably distinct from each other because the claimed invention simply claims a broader scope from the ‘715 patent. 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. (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 1 is rejected under 35 U.S.C. 102(a)(1)/(a)(2) as being anticipated by Kothari (US 2021/0,072,997). Referring to claim 1, Kothari discloses an integrated circuit (fig. 1, processor 12) comprising: a load store unit (fig. 1, LSU 20/MDR22) to receive (fig. 1, decode to MDR22/LSU20) store micro-operations (para.0030, ops; para.0050, media ops) cracked from a vector store operation (para.0030, program; para.0050, vector operations), and unroll (para.0026, reorder out-of-order ops) each store micro-operation (para.0026, op) into multiple sub-micro-operations (para.0026, out-of-order ops), the load store unit including: an issue status vector (fig. 1, MDR 22; para.0026) to track issuance of each sub-micro-operation to a store data pipeline (fig. 7, load pipeline 120) to write data; an unroll status vector (fig. 1, reorder buffer 26; para.0026, track program order of ops) to track unrolling of each sub-micro-operation (para.0026, op) associated with a group of sub-micro-operations (para.0026, out-of-order ops); and a replay status vector (fig. 6, replay load 104; fig. 1, LDQ 54; paras.0031-0032, track executions) to track replayability of sub-micro-operations associated with the group of sub-micro-operations. Contact Information Any inquiry concerning this communication or earlier communications from the examiner should be directed to examiner Cheng-Yuan Tseng whose telephone number is (571)272-9772, and fax number is (571)273-9772. The examiner can normally be reached on Monday through Friday from 09:00 to 17:30 Eastern Time. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Alicia Harrington can be reached on (571)272-2330. 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. Should you have questions on access to the Private PAIR system, contact the Electronic Business Center (EBC) at (866)217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative or access to the automated information system, call (800)786-9199 (IN USA OR CANADA) or (571)272-1000. /CHENG YUAN TSENG/Primary Examiner, Art Unit 2615
Read full office action

Prosecution Timeline

Feb 03, 2025
Application Filed
Aug 12, 2026
Non-Final Rejection mailed — §102, §DOUBLEPATENT (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
84%
Grant Probability
99%
With Interview (+15.5%)
2y 5m (~9m remaining)
Median Time to Grant
Low
PTA Risk
Based on 854 resolved cases by this examiner. Grant probability derived from career allowance rate.

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