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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 2007 - 2011 Utility Patent Grants
As Distributed By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From

VIRGINIA

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to a patent- see 'Explanation of Data' )
( some classes have been combined together under a single class identifier )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed either by year of patent grant or by year of patent application.
Class Class Title 2007 2008 2009 2010 2011 Total
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 14 46 45 110 107 322
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 44 39 47 82 82 294
455 Telecommunications 31 31 46 68 94 270
370 Multiplex Communications 23 24 33 62 83 225
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 28 34 29 46 48 185
707 DP: Database and File Management or Data Structures (Data Processing) 26 26 28 45 52 177
382 Image Analysis 12 20 21 40 22 115
340 Communications: Electrical 16 25 25 20 22 108
726 Information Security 11 12 22 24 27 96
428 Stock Material or Miscellaneous Articles 22 16 15 22 20 95
250 Radiant Energy 14 17 19 17 23 90
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 15 19 15 23 16 88
713 Support (Electrical Computers and Digital Processing Systems) 17 10 18 20 18 83
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 13 16 12 17 19 77
128 Surgery (includes Class 600) 8 11 8 25 23 75
375 Pulse or Digital Communications 15 20 16 11 13 75
435 Chemistry: Molecular Biology and Microbiology 12 15 9 18 18 72
131 Tobacco 9 6 9 20 25 69
438 Semiconductor Device Manufacturing: Process 10 11 11 18 17 67
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 12 11 18 12 13 66
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 12 12 13 16 11 64
356 Optics: Measuring and Testing 11 16 11 9 16 63
210 Liquid Purification or Separation 11 13 11 18 9 62
379 Telephonic Communications 15 7 9 12 17 60
073 Measuring and Testing 17 15 8 8 10 58
239 Fluid Sprinkling, Spraying, and Diffusing 18 15 11 8 5 57
702 DP: Measuring, Calibrating, or Testing (Data Processing) 9 9 7 12 19 56
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 7 12 9 14 13 55
351 Optics: Eye Examining, Vision Testing and Correcting 10 11 11 9 14 55
532 Organic Compounds (includes Classes 532-570) 7 8 8 18 11 52
324 Electricity: Measuring and Testing 14 8 7 6 16 51
359 Optical: Systems and Elements 16 7 8 13 6 50
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 3 6 5 16 18 48
385 Optical Waveguides 19 12 7 6 4 48
706 DP: Artificial Intelligence (Data Processing) 4 9 10 11 12 46
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 8 5 5 16 11 45
700 DP: Generic Control Systems or Specific Applications (Data Processing) 6 9 2 15 13 45
310 Electrical Generator or Motor Structure 6 11 13 6 5 41
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 6 8 13 3 11 41
362 Illumination 6 3 10 9 12 40
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 3 5 4 12 16 40
029 Metal Working 11 5 5 6 12 39
089 Ordnance 3 6 5 11 13 38
361 Electricity: Electrical Systems and Devices 5 5 10 12 5 37
206 Special Receptacle or Package 3 5 3 14 11 36
345 Computer Graphics Processing and Selective Visual Display Systems 6 4 8 6 12 36
102 Ammunition and Explosives 4 4 4 10 12 34
427 Coating Processes 4 4 7 12 7 34
482 Exercise Devices 3 3 4 13 11 34
052 Static Structures (e.g., Buildings) 6 5 3 10 9 33
280 Land Vehicles 7 8 3 12 3 33
436 Chemistry: Analytical and Immunological Testing 2 3 4 12 10 31
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 4 6 2 8 10 30
002 Apparel 6 3 2 9 8 28
365 Static Information Storage and Retrieval 8 5 0 3 12 28
473 Games Using Tangible Projectile 3 5 3 9 8 28
714 Error Detection/Correction and Fault Detection/Recovery 3 3 9 7 5 27
033 Geometrical Instruments 8 5 5 4 4 26
333 Wave Transmission Lines and Networks 8 6 4 4 4 26
363 Electric Power Conversion Systems 4 2 3 9 8 26
725 Interactive Video Distribution Systems 5 3 9 3 6 26
602 Surgery: Splint, Brace, or Bandage 2 0 12 6 5 25
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 7 4 3 2 9 25
005 Beds 4 6 4 6 4 24
244 Aeronautics and Astronautics 6 1 4 4 9 24
348 Television 3 3 6 6 6 24
367 Communications, Electrical: Acoustic Wave Systems and Devices 7 4 3 4 6 24
123 Internal-Combustion Engines 5 4 3 7 4 23
318 Electricity: Motive Power Systems 6 4 3 5 5 23
717 DP: Software Development, Installation, and Management (Data Processing) 4 3 4 4 8 23
044 Fuel and Related Compositions 4 4 5 5 4 22
062 Refrigeration 8 3 2 3 6 22
585 Chemistry of Hydrocarbon Compounds 2 1 4 10 5 22
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 7 7 0 5 3 22
060 Power Plants 4 1 5 6 5 21
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 6 7 0 2 6 21
114 Ships 2 3 6 5 4 20
219 Electric Heating 4 2 6 4 4 20
290 Prime-Mover Dynamo Plants 3 3 3 4 7 20
343 Communications: Radio Wave Antennas 1 6 3 7 3 20
372 Coherent Light Generators 3 1 3 7 6 20
439 Electrical Connectors 4 1 5 7 3 20
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 4 4 5 4 3 20
015 Brushing, Scrubbing, and General Cleaning 1 2 5 5 6 19
072 Metal Deforming 7 7 1 1 3 19
380 Cryptography 7 0 4 6 2 19
381 Electrical Audio Signal Processing Systems and Devices 6 4 2 6 1 19
423 Chemistry of Inorganic Compounds 3 4 3 8 1 19
604 Surgery (Medicators and Receptors) 0 1 2 8 8 19
042 Firearms 2 2 1 8 5 18
248 Supports (e.g., for holding articles, etc.) 4 2 0 6 5 17
252 Compositions 1 1 4 6 5 17
434 Education and Demonstration 4 4 2 3 4 17
095 Gas Separation: Processes 2 0 3 8 3 16
366 Agitating (e.g., of articles and materials) 0 3 0 5 8 16
463 Amusement Devices: Games 2 1 3 5 5 16
606 Surgery (instruments) 4 2 2 5 3 16
315 Electric Lamp and Discharge Devices: Systems 4 4 1 3 3 15
416 Fluid Reaction Surfaces (i.e., Impellers) 2 5 1 3 4 15
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 2 0 3 5 5 15
040 Card, Picture, or Sign Exhibiting 2 2 3 2 5 14
208 Mineral Oils: Processes and Products 3 5 1 4 1 14
220 Receptacles 3 3 3 4 1 14
307 Electrical Transmission or Interconnection Systems 1 5 2 2 4 14
398 Optical Communications 3 2 4 3 2 14
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 4 3 2 2 3 14
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 1 1 6 4 2 14
162 Paper Making and Fiber Liberation 0 3 1 9 0 13
198 Conveyors: Power-Driven 0 2 2 3 6 13
241 Solid Material Comminution or Disintegration 3 0 4 5 1 13
036 Boots, Shoes, and Leggings 6 3 1 0 2 12
084 Music 2 2 4 1 3 12
099 Foods and Beverages: Apparatus 1 2 4 3 2 12
296 Land Vehicles: Bodies and Tops 2 3 3 2 2 12
323 Electricity: Power Supply or Regulation Systems 3 0 5 4 0 12
326 Electronic Digital Logic Circuitry 1 5 3 1 2 12
358 Facsimile and Static Presentation Processing 3 3 1 0 5 12
376 Induced Nuclear Reactions: Processes, Systems, and Elements 1 4 7 0 0 12
405 Hydraulic and Earth Engineering 2 2 4 3 1 12
414 Material or Article Handling 1 2 4 2 3 12
440 Marine Propulsion 2 3 1 4 2 12
441 Buoys, Rafts, and Aquatic Devices 1 3 3 4 1 12
119 Animal Husbandry 4 1 1 2 3 11
134 Cleaning and Liquid Contact with Solids 1 2 2 4 2 11
135 Tent, Canopy, Umbrella, or Cane 0 1 4 4 2 11
165 Heat Exchange 3 2 3 2 1 11
294 Handling: Hand and Hoist-Line Implements 0 3 3 4 1 11
336 Inductor Devices 4 0 0 6 1 11
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 4 2 3 2 11
588 Hazardous or Toxic Waste Destruction or Containment 0 0 2 4 5 11
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 4 0 2 4 11
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 5 2 3 1 0 11
070 Locks 0 4 2 3 1 10
096 Gas Separation: Apparatus 1 1 3 2 3 10
137 Fluid Handling 2 2 1 3 2 10
174 Electricity: Conductors and Insulators 2 3 0 2 3 10
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 1 5 1 1 10
209 Classifying, Separating, and Assorting Solids 0 4 3 1 2 10
216 Etching a Substrate: Processes 4 2 1 0 3 10
273 Amusement Devices: Games 0 1 2 4 3 10
299 Mining or In Situ Disintegration of Hard Material 4 1 2 0 3 10
417 Pumps 5 2 1 1 1 10
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 3 1 2 2 10
004 Baths, Closets, Sinks, and Spittoons 1 3 2 1 2 9
030 Cutlery 1 1 2 1 4 9
043 Fishing, Trapping, and Vermin Destroying 2 2 0 3 2 9
116 Signals and Indicators 1 2 2 3 1 9
175 Boring or Penetrating the Earth 2 1 1 2 3 9
368 Horology: Time Measuring Systems or Devices 1 3 2 0 3 9
607 Surgery: Light, Thermal, and Electrical Application 2 1 4 1 1 9
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 1 0 2 2 4 9
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 0 0 8 9
066 Textiles: Knitting 0 0 0 3 5 8
181 Acoustics 0 2 0 4 2 8
204 Chemistry: Electrical and Wave Energy 2 1 2 2 1 8
224 Package and Article Carriers 2 3 0 0 3 8
297 Chairs and Seats 1 0 1 3 3 8
320 Electricity: Battery or Capacitor Charging or Discharging 1 1 2 2 2 8
378 X-Ray or Gamma Ray Systems or Devices 0 1 1 4 2 8
410 Freight Accommodation On Freight Carrier 2 2 1 2 1 8
711 Memory (Electrical Computers and Digital Processing Systems) 0 1 2 1 4 8
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 1 0 3 4 8
055 Gas Separation 1 2 1 2 1 7
057 Textiles: Spinning, Twisting, and Twining 2 1 1 0 3 7
065 Glass Manufacturing 1 2 1 2 1 7
148 Metal Treatment 0 1 3 3 0 7
180 Motor Vehicles 1 0 3 1 2 7
188 Brakes 3 2 1 1 0 7
211 Supports: Racks 2 0 0 3 2 7
271 Sheet Feeding or Delivering 0 1 0 5 1 7
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 1 3 0 1 2 7
034 Drying and Gas or Vapor Contact with Solids 4 2 0 0 0 6
053 Package Making 0 2 1 2 1 6
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 2 1 1 1 6
081 Tools 2 1 2 0 1 6
106 Compositions: Coating or Plastic 0 1 2 1 2 6
122 Liquid Heaters and Vaporizers 2 1 2 0 1 6
138 Pipes and Tubular Conduits 0 1 1 1 3 6
160 Flexible or Portable Closure, Partition, or Panel 0 1 2 2 1 6
229 Envelopes, Wrappers, and Paperboard Boxes 1 0 1 2 2 6
242 Winding, Tensioning, or Guiding 2 0 2 1 1 6
313 Electric Lamp and Discharge Devices 1 1 0 0 4 6
341 Coded Data Generation or Conversion 2 0 1 2 1 6
374 Thermal Measuring and Testing 0 3 2 1 0 6
396 Photography 0 2 0 1 3 6
403 Joints and Connections 0 0 3 2 1 6
415 Rotary Kinetic Fluid Motors or Pumps 1 1 1 1 2 6
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 0 1 2 2 6
601 Surgery: Kinesitherapy 2 0 4 0 0 6
047 Plant Husbandry 1 1 1 1 1 5
071 Chemistry: Fertilizers 1 0 1 1 2 5
074 Machine Element or Mechanism 1 1 2 1 0 5
126 Stoves and Furnaces 0 0 2 3 0 5
149 Explosive and Thermic Compositions or Charges 0 1 0 4 0 5
182 Fire Escape, Ladder, or Scaffold 1 0 0 1 3 5
222 Dispensing (apparatus and process) 1 1 1 2 0 5
228 Metal Fusion Bonding 3 1 1 0 0 5
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 1 1 0 2 5
399 Electrophotography 3 0 0 2 0 5
401 Coating Implements with Material Supply 1 0 1 2 1 5
426 Food or Edible Material: Processes, Compositions, and Products 0 1 1 0 3 5
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 2 0 3 0 0 5
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 1 2 1 1 5
063 Jewelry 0 0 0 2 2 4
083 Cutting 1 0 0 2 1 4
086 Ammunition and Explosive-Charge Making 0 2 1 1 0 4
100 Presses 0 1 3 0 0 4
104 Railways 0 0 0 3 1 4
105 Railway Rolling Stock 0 1 1 0 2 4
118 Coating Apparatus 1 2 0 1 0 4
124 Mechanical Guns and Projectors 0 0 0 2 2 4
173 Tool Driving or Impacting 0 1 1 1 1 4
292 Closure Fasteners 1 2 0 0 1 4
312 Supports: Cabinet Structure 2 0 0 2 0 4
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 1 0 2 1 4
330 Amplifiers 0 2 0 1 1 4
383 Flexible Bags 0 1 2 1 0 4
386 Motion Video Signal Processing for Recording or Reproducing 2 0 1 0 1 4
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 0 2 2 4
433 Dentistry 1 0 0 3 0 4
454 Ventilation 0 1 2 1 0 4
501 Compositions: Ceramic 1 0 1 2 0 4
027 Undertaking 2 0 0 0 1 3
132 Toilet 0 1 0 1 1 3
136 Batteries: Thermoelectric and Photoelectric 1 0 0 1 1 3
144 Woodworking 0 1 1 0 1 3
150 Purses, Wallets, and Protective Covers 0 1 0 1 1 3
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 1 1 0 1 3
190 Trunks and Hand-Carried Luggage 1 1 1 0 0 3
227 Elongated-Member-Driving Apparatus 0 1 0 0 2 3
232 Deposit and Collection Receptacles 1 2 0 0 0 3
251 Valves and Valve Actuation 1 0 0 1 1 3
256 Fences 1 0 1 1 0 3
261 Gas and Liquid Contact Apparatus 0 1 0 0 2 3
331 Oscillators 0 2 1 0 0 3
353 Optics: Image Projectors 1 0 1 1 0 3
355 Photocopying 2 1 0 0 0 3
384 Bearings 0 0 2 0 1 3
404 Road Structure, Process, or Apparatus 0 2 0 1 0 3
431 Combustion 0 1 1 1 0 3
452 Butchering 1 2 0 0 0 3
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 2 0 0 1 3
007 Compound Hand Tools 0 0 1 1 0 2
016 Miscellaneous Hardware 1 0 0 0 1 2
024 Buckles, Buttons, Clasps, Etc. 1 1 0 0 0 2
028 Textiles: Manufacturing 0 1 1 0 0 2
037 Excavating 1 0 0 1 0 2
049 Movable or Removable Closures 0 0 0 2 0 2
051 Abrasive Tool Making Process, Material, or Composition 1 0 1 0 0 2
056 Harvesters 0 0 0 1 1 2
082 Turning (e.g., for metal working) 0 0 0 0 2 2
092 Expansible Chamber Devices 1 1 0 0 0 2
110 Furnaces 1 0 0 1 0 2
112 Sewing 0 0 1 0 1 2
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 0 0 0 1 2
152 Resilient Tires and Wheels 1 1 0 0 0 2
159 Concentrating Evaporators 0 0 1 1 0 2
169 Fire Extinguishers 0 0 0 2 0 2
172 Earth Working 1 0 0 0 1 2
177 Weighing Scales 0 0 0 2 0 2
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 0 0 1 0 2
193 Conveyors, Chutes, Skids, Guides, and Ways 0 2 0 0 0 2
200 Electricity: Circuit Makers and Breakers 0 0 2 0 0 2
201 Distillation: Processes, Thermolytic 0 0 0 2 0 2
215 Bottles and Jars 0 0 1 1 0 2
223 Apparel Apparatus 0 2 0 0 0 2
238 Railways: Surface Track 0 0 0 2 0 2
249 Static Molds 1 0 1 0 0 2
270 Sheet-Material Associating 0 0 0 0 2 2
277 Seal for a Joint or Juncture 0 1 1 0 0 2
281 Books, Strips, and Leaves 1 0 0 1 0 2
285 Pipe Joints or Couplings 1 0 1 0 0 2
303 Fluid-Pressure and Analogous Brake Systems 0 0 1 0 1 2
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 0 0 1 0 2
338 Electrical Resistors 1 0 0 1 0 2
349 Liquid Crystal Cells, Elements and Systems 0 0 0 0 2 2
360 Dynamic Magnetic Information Storage or Retrieval 0 0 0 1 1 2
400 Typewriting Machines 0 0 0 0 2 2
408 Cutting by Use of Rotating Axially Moving Tool 1 1 0 0 0 2
432 Heating 1 0 0 1 0 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 1 0 1 2
446 Amusement Devices: Toys 1 0 0 1 0 2
450 Foundation Garments 0 1 0 1 0 2
451 Abrading 0 2 0 0 0 2
472 Amusement Devices 0 0 0 2 0 2
475 Planetary Gear Transmission Systems or Components 0 0 1 0 1 2
504 Plant Protecting and Regulating Compositions 0 1 0 0 1 2
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 0 0 0 0 1
014 Bridges 0 0 0 1 0 1
038 Textiles: Ironing or Smoothing 0 0 1 0 0 1
048 Gas: Heating and Illuminating 0 0 0 0 1 1
068 Textiles: Fluid Treating Apparatus 0 1 0 0 0 1
108 Horizontally Supported Planar Surfaces 0 1 0 0 0 1
139 Textiles: Weaving 0 0 0 1 0 1
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 0 0 1 0 1
164 Metal Founding 1 0 0 0 0 1
168 Farriery 0 0 1 0 0 1
186 Merchandising 0 0 0 0 1 1
191 Electricity: Transmission To Vehicles 0 0 0 0 1 1
202 Distillation: Apparatus 0 0 0 0 1 1
203 Distillation: Processes, Separatory 1 0 0 0 0 1
212 Traversing Hoists 0 0 0 0 1 1
213 Railway Draft Appliances 0 0 0 1 0 1
221 Article Dispensing 0 0 0 0 1 1
266 Metallurgical Apparatus 1 0 0 0 0 1
298 Land Vehicles: Dumping 0 0 1 0 0 1
337 Electricity: Electrothermally or Thermally Actuated Switches 0 1 0 0 0 1
369 Dynamic Information Storage or Retrieval 0 0 0 0 1 1
407 Cutters, for Shaping 1 0 0 0 0 1
409 Gear Cutting, Milling, or Planing 0 0 1 0 0 1
418 Rotary Expansible Chamber Devices 0 0 0 0 1 1
419 Powder Metallurgy Processes 0 0 0 1 0 1
420 Alloys or Metallic Compositions 0 0 0 1 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 1 0 0 0 1
492 Roll or Roller 0 0 1 0 0 1
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 1 0 0 1
512 Perfume Compositions 0 1 0 0 0 1
720 Dynamic Optical Information Storage or Retrieval 1 0 0 0 0 1
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 0 0 1 0 1
ALL ALL CLASSES 1004 1030 1073 1587 1600 6294


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT materials available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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